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Finding the Fourth Proportional to 284,419.17, 426,862.04 and 144,217.89

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Solution

The fourth proportional to 284,419.17, 426,862.04 and 144,217.89 is: 216,445.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,419.17 : 426,862.04 = 144,217.89 : x
  2. Step 2: Convert to fraction form
    284,419.17/426,862.04 = 144,217.89/x
  3. Step 3: Cross multiply
    284,419.17x = 426,862.04 × 144,217.89
  4. Step 4: Simplify right side
    284,419.17x = 61,561,142,008.81
  5. Step 5: Solve for x
    x = 61,561,142,008.81/284,419.17
  6. Step 6: Final answer
    x = 216,445.12

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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.