Home / 498,211.40-747,317.10-165,787.40

Finding the Fourth Proportional to 498,211.40, 747,317.10 and 165,787.40

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Solution

The fourth proportional to 498,211.40, 747,317.10 and 165,787.40 is: 248,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,211.40 : 747,317.10 = 165,787.40 : x
  2. Step 2: Convert to fraction form
    498,211.40/747,317.10 = 165,787.40/x
  3. Step 3: Cross multiply
    498,211.40x = 747,317.10 × 165,787.40
  4. Step 4: Simplify right side
    498,211.40x = 123,895,758,984.54
  5. Step 5: Solve for x
    x = 123,895,758,984.54/498,211.40
  6. Step 6: Final answer
    x = 248,681.10

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Similar ratio
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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.