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Finding the Fourth Proportional to 284,627.58, 392,773.16 and 175,780.59

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Solution

The fourth proportional to 284,627.58, 392,773.16 and 175,780.59 is: 242,569.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,627.58 : 392,773.16 = 175,780.59 : x
  2. Step 2: Convert to fraction form
    284,627.58/392,773.16 = 175,780.59/x
  3. Step 3: Cross multiply
    284,627.58x = 392,773.16 × 175,780.59
  4. Step 4: Simplify right side
    284,627.58x = 69,041,897,988.10
  5. Step 5: Solve for x
    x = 69,041,897,988.10/284,627.58
  6. Step 6: Final answer
    x = 242,569.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.