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Finding the Fourth Proportional to 508,304.30, 762,433.38 and 223,918.85

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Solution

The fourth proportional to 508,304.30, 762,433.38 and 223,918.85 is: 335,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,304.30 : 762,433.38 = 223,918.85 : x
  2. Step 2: Convert to fraction form
    508,304.30/762,433.38 = 223,918.85/x
  3. Step 3: Cross multiply
    508,304.30x = 762,433.38 × 223,918.85
  4. Step 4: Simplify right side
    508,304.30x = 170,723,207,557.30
  5. Step 5: Solve for x
    x = 170,723,207,557.30/508,304.30
  6. Step 6: Final answer
    x = 335,868.12

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1.5x scale

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.