Home / 345,545.80-476,690.18-202,217.16

Finding the Fourth Proportional to 345,545.80, 476,690.18 and 202,217.16

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Solution

The fourth proportional to 345,545.80, 476,690.18 and 202,217.16 is: 278,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,545.80 : 476,690.18 = 202,217.16 : x
  2. Step 2: Convert to fraction form
    345,545.80/476,690.18 = 202,217.16/x
  3. Step 3: Cross multiply
    345,545.80x = 476,690.18 × 202,217.16
  4. Step 4: Simplify right side
    345,545.80x = 96,394,934,399.49
  5. Step 5: Solve for x
    x = 96,394,934,399.49/345,545.80
  6. Step 6: Final answer
    x = 278,964.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.