Home / 256,229.07-384,577.95-129,956.48

Finding the Fourth Proportional to 256,229.07, 384,577.95 and 129,956.48

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Solution

The fourth proportional to 256,229.07, 384,577.95 and 129,956.48 is: 195,053.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,229.07 : 384,577.95 = 129,956.48 : x
  2. Step 2: Convert to fraction form
    256,229.07/384,577.95 = 129,956.48/x
  3. Step 3: Cross multiply
    256,229.07x = 384,577.95 × 129,956.48
  4. Step 4: Simplify right side
    256,229.07x = 49,978,395,227.10
  5. Step 5: Solve for x
    x = 49,978,395,227.10/256,229.07
  6. Step 6: Final answer
    x = 195,053.57

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1.5x scale

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.