Home / 498,278.46-747,055.62-198,669.18

Finding the Fourth Proportional to 498,278.46, 747,055.62 and 198,669.18

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Solution

The fourth proportional to 498,278.46, 747,055.62 and 198,669.18 is: 297,859.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,278.46 : 747,055.62 = 198,669.18 : x
  2. Step 2: Convert to fraction form
    498,278.46/747,055.62 = 198,669.18/x
  3. Step 3: Cross multiply
    498,278.46x = 747,055.62 × 198,669.18
  4. Step 4: Simplify right side
    498,278.46x = 148,416,927,439.79
  5. Step 5: Solve for x
    x = 148,416,927,439.79/498,278.46
  6. Step 6: Final answer
    x = 297,859.41

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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.