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Finding the Fourth Proportional to 602,867.70, 904,301.55 and 248,136.30

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Solution

The fourth proportional to 602,867.70, 904,301.55 and 248,136.30 is: 372,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,867.70 : 904,301.55 = 248,136.30 : x
  2. Step 2: Convert to fraction form
    602,867.70/904,301.55 = 248,136.30/x
  3. Step 3: Cross multiply
    602,867.70x = 904,301.55 × 248,136.30
  4. Step 4: Simplify right side
    602,867.70x = 224,390,040,701.27
  5. Step 5: Solve for x
    x = 224,390,040,701.27/602,867.70
  6. Step 6: Final answer
    x = 372,204.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.