Home / 256,945.18-385,322.01-88,418.38

Finding the Fourth Proportional to 256,945.18, 385,322.01 and 88,418.38

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Solution

The fourth proportional to 256,945.18, 385,322.01 and 88,418.38 is: 132,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,945.18 : 385,322.01 = 88,418.38 : x
  2. Step 2: Convert to fraction form
    256,945.18/385,322.01 = 88,418.38/x
  3. Step 3: Cross multiply
    256,945.18x = 385,322.01 × 88,418.38
  4. Step 4: Simplify right side
    256,945.18x = 34,069,547,902.54
  5. Step 5: Solve for x
    x = 34,069,547,902.54/256,945.18
  6. Step 6: Final answer
    x = 132,594.62

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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.