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Finding the Fourth Proportional to 373,169.46, 559,787.81 and 120,455.94

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Solution

The fourth proportional to 373,169.46, 559,787.81 and 120,455.94 is: 180,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,169.46 : 559,787.81 = 120,455.94 : x
  2. Step 2: Convert to fraction form
    373,169.46/559,787.81 = 120,455.94/x
  3. Step 3: Cross multiply
    373,169.46x = 559,787.81 × 120,455.94
  4. Step 4: Simplify right side
    373,169.46x = 67,429,766,251.81
  5. Step 5: Solve for x
    x = 67,429,766,251.81/373,169.46
  6. Step 6: Final answer
    x = 180,694.76

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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.