Home / 498,261.15-747,029.66-198,651.87

Finding the Fourth Proportional to 498,261.15, 747,029.66 and 198,651.87

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Solution

The fourth proportional to 498,261.15, 747,029.66 and 198,651.87 is: 297,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,261.15 : 747,029.66 = 198,651.87 : x
  2. Step 2: Convert to fraction form
    498,261.15/747,029.66 = 198,651.87/x
  3. Step 3: Cross multiply
    498,261.15x = 747,029.66 × 198,651.87
  4. Step 4: Simplify right side
    498,261.15x = 148,398,837,911.21
  5. Step 5: Solve for x
    x = 148,398,837,911.21/498,261.15
  6. Step 6: Final answer
    x = 297,833.45

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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.