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Finding the Fourth Proportional to 403,104.57, 604,744.32 and 122,614.53

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Solution

The fourth proportional to 403,104.57, 604,744.32 and 122,614.53 is: 183,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,104.57 : 604,744.32 = 122,614.53 : x
  2. Step 2: Convert to fraction form
    403,104.57/604,744.32 = 122,614.53/x
  3. Step 3: Cross multiply
    403,104.57x = 604,744.32 × 122,614.53
  4. Step 4: Simplify right side
    403,104.57x = 74,150,438,758.98
  5. Step 5: Solve for x
    x = 74,150,438,758.98/403,104.57
  6. Step 6: Final answer
    x = 183,948.40

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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.