Home / 198,733.80-297,998.10-58,474.20

Finding the Fourth Proportional to 198,733.80, 297,998.10 and 58,474.20

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Solution

The fourth proportional to 198,733.80, 297,998.10 and 58,474.20 is: 87,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,733.80 : 297,998.10 = 58,474.20 : x
  2. Step 2: Convert to fraction form
    198,733.80/297,998.10 = 58,474.20/x
  3. Step 3: Cross multiply
    198,733.80x = 297,998.10 × 58,474.20
  4. Step 4: Simplify right side
    198,733.80x = 17,425,200,499.02
  5. Step 5: Solve for x
    x = 17,425,200,499.02/198,733.80
  6. Step 6: Final answer
    x = 87,681.11

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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.