Home / 415,036.55-572,791.17-242,944.15

Finding the Fourth Proportional to 415,036.55, 572,791.17 and 242,944.15

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Solution

The fourth proportional to 415,036.55, 572,791.17 and 242,944.15 is: 335,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,036.55 : 572,791.17 = 242,944.15 : x
  2. Step 2: Convert to fraction form
    415,036.55/572,791.17 = 242,944.15/x
  3. Step 3: Cross multiply
    415,036.55x = 572,791.17 × 242,944.15
  4. Step 4: Simplify right side
    415,036.55x = 139,156,263,402.22
  5. Step 5: Solve for x
    x = 139,156,263,402.22/415,036.55
  6. Step 6: Final answer
    x = 335,286.77

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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.