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Finding the Fourth Proportional to 409,425.38, 613,672.20 and 249,147.82

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Solution

The fourth proportional to 409,425.38, 613,672.20 and 249,147.82 is: 373,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,425.38 : 613,672.20 = 249,147.82 : x
  2. Step 2: Convert to fraction form
    409,425.38/613,672.20 = 249,147.82/x
  3. Step 3: Cross multiply
    409,425.38x = 613,672.20 × 249,147.82
  4. Step 4: Simplify right side
    409,425.38x = 152,895,093,317.65
  5. Step 5: Solve for x
    x = 152,895,093,317.65/409,425.38
  6. Step 6: Final answer
    x = 373,438.24

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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.