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Finding the Fourth Proportional to 540,308.79, 810,463.19 and 203,425.02

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Solution

The fourth proportional to 540,308.79, 810,463.19 and 203,425.02 is: 305,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,308.79 : 810,463.19 = 203,425.02 : x
  2. Step 2: Convert to fraction form
    540,308.79/810,463.19 = 203,425.02/x
  3. Step 3: Cross multiply
    540,308.79x = 810,463.19 × 203,425.02
  4. Step 4: Simplify right side
    540,308.79x = 164,868,490,046.99
  5. Step 5: Solve for x
    x = 164,868,490,046.99/540,308.79
  6. Step 6: Final answer
    x = 305,137.53

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Double scale
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Similar ratio
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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.