Home / 257,610.24-386,272.80-89,039.52

Finding the Fourth Proportional to 257,610.24, 386,272.80 and 89,039.52

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Solution

The fourth proportional to 257,610.24, 386,272.80 and 89,039.52 is: 133,510.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,610.24 : 386,272.80 = 89,039.52 : x
  2. Step 2: Convert to fraction form
    257,610.24/386,272.80 = 89,039.52/x
  3. Step 3: Cross multiply
    257,610.24x = 386,272.80 × 89,039.52
  4. Step 4: Simplify right side
    257,610.24x = 34,393,544,701.06
  5. Step 5: Solve for x
    x = 34,393,544,701.06/257,610.24
  6. Step 6: Final answer
    x = 133,510.01

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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.