Home / 498,275.46-747,051.12-198,666.18

Finding the Fourth Proportional to 498,275.46, 747,051.12 and 198,666.18

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Solution

The fourth proportional to 498,275.46, 747,051.12 and 198,666.18 is: 297,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,275.46 : 747,051.12 = 198,666.18 : x
  2. Step 2: Convert to fraction form
    498,275.46/747,051.12 = 198,666.18/x
  3. Step 3: Cross multiply
    498,275.46x = 747,051.12 × 198,666.18
  4. Step 4: Simplify right side
    498,275.46x = 148,413,792,275.12
  5. Step 5: Solve for x
    x = 148,413,792,275.12/498,275.46
  6. Step 6: Final answer
    x = 297,854.91

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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.