Home / 498,061.20-747,091.80-218,125.20

Finding the Fourth Proportional to 498,061.20, 747,091.80 and 218,125.20

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Solution

The fourth proportional to 498,061.20, 747,091.80 and 218,125.20 is: 327,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,061.20 : 747,091.80 = 218,125.20 : x
  2. Step 2: Convert to fraction form
    498,061.20/747,091.80 = 218,125.20/x
  3. Step 3: Cross multiply
    498,061.20x = 747,091.80 × 218,125.20
  4. Step 4: Simplify right side
    498,061.20x = 162,959,548,293.36
  5. Step 5: Solve for x
    x = 162,959,548,293.36/498,061.20
  6. Step 6: Final answer
    x = 327,187.80

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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.