Home / 399,627.24-599,535.07-129,734.59

Finding the Fourth Proportional to 399,627.24, 599,535.07 and 129,734.59

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Solution

The fourth proportional to 399,627.24, 599,535.07 and 129,734.59 is: 194,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,627.24 : 599,535.07 = 129,734.59 : x
  2. Step 2: Convert to fraction form
    399,627.24/599,535.07 = 129,734.59/x
  3. Step 3: Cross multiply
    399,627.24x = 599,535.07 × 129,734.59
  4. Step 4: Simplify right side
    399,627.24x = 77,780,434,111.83
  5. Step 5: Solve for x
    x = 77,780,434,111.83/399,627.24
  6. Step 6: Final answer
    x = 194,632.46

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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.