Home / 331,288.50-457,178.13-180,385.50

Finding the Fourth Proportional to 331,288.50, 457,178.13 and 180,385.50

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Solution

The fourth proportional to 331,288.50, 457,178.13 and 180,385.50 is: 248,931.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,288.50 : 457,178.13 = 180,385.50 : x
  2. Step 2: Convert to fraction form
    331,288.50/457,178.13 = 180,385.50/x
  3. Step 3: Cross multiply
    331,288.50x = 457,178.13 × 180,385.50
  4. Step 4: Simplify right side
    331,288.50x = 82,468,305,569.12
  5. Step 5: Solve for x
    x = 82,468,305,569.12/331,288.50
  6. Step 6: Final answer
    x = 248,931.99

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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.