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Finding the Fourth Proportional to 397,950, 549,535.89 and 252,802.65

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Solution

The fourth proportional to 397,950, 549,535.89 and 252,802.65 is: 349,099.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,950 : 549,535.89 = 252,802.65 : x
  2. Step 2: Convert to fraction form
    397,950/549,535.89 = 252,802.65/x
  3. Step 3: Cross multiply
    397,950x = 549,535.89 × 252,802.65
  4. Step 4: Simplify right side
    397,950x = 138,924,129,262.11
  5. Step 5: Solve for x
    x = 138,924,129,262.11/397,950
  6. Step 6: Final answer
    x = 349,099.46

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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.