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Finding the Fourth Proportional to 303,565.80, 425,614.20 and 303,565.80

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Solution

The fourth proportional to 303,565.80, 425,614.20 and 303,565.80 is: 425,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,565.80 : 425,614.20 = 303,565.80 : x
  2. Step 2: Convert to fraction form
    303,565.80/425,614.20 = 303,565.80/x
  3. Step 3: Cross multiply
    303,565.80x = 425,614.20 × 303,565.80
  4. Step 4: Simplify right side
    303,565.80x = 129,201,915,114.36
  5. Step 5: Solve for x
    x = 129,201,915,114.36/303,565.80
  6. Step 6: Final answer
    x = 425,614.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.