Home / 256,944.18-385,320.51-88,417.38

Finding the Fourth Proportional to 256,944.18, 385,320.51 and 88,417.38

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Solution

The fourth proportional to 256,944.18, 385,320.51 and 88,417.38 is: 132,593.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,944.18 : 385,320.51 = 88,417.38 : x
  2. Step 2: Convert to fraction form
    256,944.18/385,320.51 = 88,417.38/x
  3. Step 3: Cross multiply
    256,944.18x = 385,320.51 × 88,417.38
  4. Step 4: Simplify right side
    256,944.18x = 34,069,029,954.46
  5. Step 5: Solve for x
    x = 34,069,029,954.46/256,944.18
  6. Step 6: Final answer
    x = 132,593.12

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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.