Home / 498,120.62-747,100.74-143,053.88

Finding the Fourth Proportional to 498,120.62, 747,100.74 and 143,053.88

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Solution

The fourth proportional to 498,120.62, 747,100.74 and 143,053.88 is: 214,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,120.62 : 747,100.74 = 143,053.88 : x
  2. Step 2: Convert to fraction form
    498,120.62/747,100.74 = 143,053.88/x
  3. Step 3: Cross multiply
    498,120.62x = 747,100.74 × 143,053.88
  4. Step 4: Simplify right side
    498,120.62x = 106,875,661,475.62
  5. Step 5: Solve for x
    x = 106,875,661,475.62/498,120.62
  6. Step 6: Final answer
    x = 214,557.79

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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.