Home / 498,429.70-747,817.35-218,148.10

Finding the Fourth Proportional to 498,429.70, 747,817.35 and 218,148.10

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Solution

The fourth proportional to 498,429.70, 747,817.35 and 218,148.10 is: 327,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,429.70 : 747,817.35 = 218,148.10 : x
  2. Step 2: Convert to fraction form
    498,429.70/747,817.35 = 218,148.10/x
  3. Step 3: Cross multiply
    498,429.70x = 747,817.35 × 218,148.10
  4. Step 4: Simplify right side
    498,429.70x = 163,134,934,049.54
  5. Step 5: Solve for x
    x = 163,134,934,049.54/498,429.70
  6. Step 6: Final answer
    x = 327,297.78

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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.