Home / 331,366.20-496,557.78-243,384.12

Finding the Fourth Proportional to 331,366.20, 496,557.78 and 243,384.12

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Solution

The fourth proportional to 331,366.20, 496,557.78 and 243,384.12 is: 364,715.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,366.20 : 496,557.78 = 243,384.12 : x
  2. Step 2: Convert to fraction form
    331,366.20/496,557.78 = 243,384.12/x
  3. Step 3: Cross multiply
    331,366.20x = 496,557.78 × 243,384.12
  4. Step 4: Simplify right side
    331,366.20x = 120,854,278,314.45
  5. Step 5: Solve for x
    x = 120,854,278,314.45/331,366.20
  6. Step 6: Final answer
    x = 364,715.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.