Home / 358,728.17-538,123.22-92,486.43

Finding the Fourth Proportional to 358,728.17, 538,123.22 and 92,486.43

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Solution

The fourth proportional to 358,728.17, 538,123.22 and 92,486.43 is: 138,737.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,728.17 : 538,123.22 = 92,486.43 : x
  2. Step 2: Convert to fraction form
    358,728.17/538,123.22 = 92,486.43/x
  3. Step 3: Cross multiply
    358,728.17x = 538,123.22 × 92,486.43
  4. Step 4: Simplify right side
    358,728.17x = 49,769,095,402.30
  5. Step 5: Solve for x
    x = 49,769,095,402.30/358,728.17
  6. Step 6: Final answer
    x = 138,737.63

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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.