Home / 331,812.17-457,901.24-180,909.17

Finding the Fourth Proportional to 331,812.17, 457,901.24 and 180,909.17

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Solution

The fourth proportional to 331,812.17, 457,901.24 and 180,909.17 is: 249,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,812.17 : 457,901.24 = 180,909.17 : x
  2. Step 2: Convert to fraction form
    331,812.17/457,901.24 = 180,909.17/x
  3. Step 3: Cross multiply
    331,812.17x = 457,901.24 × 180,909.17
  4. Step 4: Simplify right side
    331,812.17x = 82,838,533,270.37
  5. Step 5: Solve for x
    x = 82,838,533,270.37/331,812.17
  6. Step 6: Final answer
    x = 249,654.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.