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Finding the Fourth Proportional to 291,484.62, 437,227.02 and 225,021.78

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Solution

The fourth proportional to 291,484.62, 437,227.02 and 225,021.78 is: 337,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,484.62 : 437,227.02 = 225,021.78 : x
  2. Step 2: Convert to fraction form
    291,484.62/437,227.02 = 225,021.78/x
  3. Step 3: Cross multiply
    291,484.62x = 437,227.02 × 225,021.78
  4. Step 4: Simplify right side
    291,484.62x = 98,385,602,304.50
  5. Step 5: Solve for x
    x = 98,385,602,304.50/291,484.62
  6. Step 6: Final answer
    x = 337,532.74

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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.