Home / 331,277.13-457,045.97-216,622.85

Finding the Fourth Proportional to 331,277.13, 457,045.97 and 216,622.85

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Solution

The fourth proportional to 331,277.13, 457,045.97 and 216,622.85 is: 298,863.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,277.13 : 457,045.97 = 216,622.85 : x
  2. Step 2: Convert to fraction form
    331,277.13/457,045.97 = 216,622.85/x
  3. Step 3: Cross multiply
    331,277.13x = 457,045.97 × 216,622.85
  4. Step 4: Simplify right side
    331,277.13x = 99,006,597,234.07
  5. Step 5: Solve for x
    x = 99,006,597,234.07/331,277.13
  6. Step 6: Final answer
    x = 298,863.36

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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.