Home / 331,377.40-457,306.02-180,474.28

Finding the Fourth Proportional to 331,377.40, 457,306.02 and 180,474.28

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Solution

The fourth proportional to 331,377.40, 457,306.02 and 180,474.28 is: 249,057.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,377.40 : 457,306.02 = 180,474.28 : x
  2. Step 2: Convert to fraction form
    331,377.40/457,306.02 = 180,474.28/x
  3. Step 3: Cross multiply
    331,377.40x = 457,306.02 × 180,474.28
  4. Step 4: Simplify right side
    331,377.40x = 82,531,974,699.17
  5. Step 5: Solve for x
    x = 82,531,974,699.17/331,377.40
  6. Step 6: Final answer
    x = 249,057.34

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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.