Home / 256,941.18-385,316.01-88,414.38

Finding the Fourth Proportional to 256,941.18, 385,316.01 and 88,414.38

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Solution

The fourth proportional to 256,941.18, 385,316.01 and 88,414.38 is: 132,588.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,941.18 : 385,316.01 = 88,414.38 : x
  2. Step 2: Convert to fraction form
    256,941.18/385,316.01 = 88,414.38/x
  3. Step 3: Cross multiply
    256,941.18x = 385,316.01 × 88,414.38
  4. Step 4: Simplify right side
    256,941.18x = 34,067,476,128.22
  5. Step 5: Solve for x
    x = 34,067,476,128.22/256,941.18
  6. Step 6: Final answer
    x = 132,588.62

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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.