Home / 256,066.40-384,149.03-98,282.55

Finding the Fourth Proportional to 256,066.40, 384,149.03 and 98,282.55

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Solution

The fourth proportional to 256,066.40, 384,149.03 and 98,282.55 is: 147,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,066.40 : 384,149.03 = 98,282.55 : x
  2. Step 2: Convert to fraction form
    256,066.40/384,149.03 = 98,282.55/x
  3. Step 3: Cross multiply
    256,066.40x = 384,149.03 × 98,282.55
  4. Step 4: Simplify right side
    256,066.40x = 37,755,145,757.01
  5. Step 5: Solve for x
    x = 37,755,145,757.01/256,066.40
  6. Step 6: Final answer
    x = 147,442.80

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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.