Home / 409,724.10-614,672.55-172,944.90

Finding the Fourth Proportional to 409,724.10, 614,672.55 and 172,944.90

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Solution

The fourth proportional to 409,724.10, 614,672.55 and 172,944.90 is: 259,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,724.10 : 614,672.55 = 172,944.90 : x
  2. Step 2: Convert to fraction form
    409,724.10/614,672.55 = 172,944.90/x
  3. Step 3: Cross multiply
    409,724.10x = 614,672.55 × 172,944.90
  4. Step 4: Simplify right side
    409,724.10x = 106,304,482,692.50
  5. Step 5: Solve for x
    x = 106,304,482,692.50/409,724.10
  6. Step 6: Final answer
    x = 259,453.82

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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.