Home / 376,490.20-564,805.26-123,784.84

Finding the Fourth Proportional to 376,490.20, 564,805.26 and 123,784.84

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Solution

The fourth proportional to 376,490.20, 564,805.26 and 123,784.84 is: 185,700.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,490.20 : 564,805.26 = 123,784.84 : x
  2. Step 2: Convert to fraction form
    376,490.20/564,805.26 = 123,784.84/x
  3. Step 3: Cross multiply
    376,490.20x = 564,805.26 × 123,784.84
  4. Step 4: Simplify right side
    376,490.20x = 69,914,328,740.26
  5. Step 5: Solve for x
    x = 69,914,328,740.26/376,490.20
  6. Step 6: Final answer
    x = 185,700.26

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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.