Home / 256,132.29-384,217-98,360.74

Finding the Fourth Proportional to 256,132.29, 384,217 and 98,360.74

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Solution

The fourth proportional to 256,132.29, 384,217 and 98,360.74 is: 147,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,132.29 : 384,217 = 98,360.74 : x
  2. Step 2: Convert to fraction form
    256,132.29/384,217 = 98,360.74/x
  3. Step 3: Cross multiply
    256,132.29x = 384,217 × 98,360.74
  4. Step 4: Simplify right side
    256,132.29x = 37,791,868,440.58
  5. Step 5: Solve for x
    x = 37,791,868,440.58/256,132.29
  6. Step 6: Final answer
    x = 147,548.24

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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.