Home / 447,158.28-616,766.04-303,669.12

Finding the Fourth Proportional to 447,158.28, 616,766.04 and 303,669.12

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Solution

The fourth proportional to 447,158.28, 616,766.04 and 303,669.12 is: 418,851.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,158.28 : 616,766.04 = 303,669.12 : x
  2. Step 2: Convert to fraction form
    447,158.28/616,766.04 = 303,669.12/x
  3. Step 3: Cross multiply
    447,158.28x = 616,766.04 × 303,669.12
  4. Step 4: Simplify right side
    447,158.28x = 187,292,800,612.69
  5. Step 5: Solve for x
    x = 187,292,800,612.69/447,158.28
  6. Step 6: Final answer
    x = 418,851.24

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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.