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Finding the Fourth Proportional to 439,065.64, 605,909.70 and 237,862.12

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Solution

The fourth proportional to 439,065.64, 605,909.70 and 237,862.12 is: 328,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,065.64 : 605,909.70 = 237,862.12 : x
  2. Step 2: Convert to fraction form
    439,065.64/605,909.70 = 237,862.12/x
  3. Step 3: Cross multiply
    439,065.64x = 605,909.70 × 237,862.12
  4. Step 4: Simplify right side
    439,065.64x = 144,122,965,770.56
  5. Step 5: Solve for x
    x = 144,122,965,770.56/439,065.64
  6. Step 6: Final answer
    x = 328,249.25

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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.