Home / 257,521.14-386,264.76-89,002.26

Finding the Fourth Proportional to 257,521.14, 386,264.76 and 89,002.26

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Solution

The fourth proportional to 257,521.14, 386,264.76 and 89,002.26 is: 133,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,521.14 : 386,264.76 = 89,002.26 : x
  2. Step 2: Convert to fraction form
    257,521.14/386,264.76 = 89,002.26/x
  3. Step 3: Cross multiply
    257,521.14x = 386,264.76 × 89,002.26
  4. Step 4: Simplify right side
    257,521.14x = 34,378,436,598.36
  5. Step 5: Solve for x
    x = 34,378,436,598.36/257,521.14
  6. Step 6: Final answer
    x = 133,497.53

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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.