Home / 331,510.12-457,363.98-216,854.24

Finding the Fourth Proportional to 331,510.12, 457,363.98 and 216,854.24

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Solution

The fourth proportional to 331,510.12, 457,363.98 and 216,854.24 is: 299,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,510.12 : 457,363.98 = 216,854.24 : x
  2. Step 2: Convert to fraction form
    331,510.12/457,363.98 = 216,854.24/x
  3. Step 3: Cross multiply
    331,510.12x = 457,363.98 × 216,854.24
  4. Step 4: Simplify right side
    331,510.12x = 99,181,318,286.28
  5. Step 5: Solve for x
    x = 99,181,318,286.28/331,510.12
  6. Step 6: Final answer
    x = 299,180.36

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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.