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Finding the Fourth Proportional to 439,079.64, 605,930.52 and 237,875.64

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Solution

The fourth proportional to 439,079.64, 605,930.52 and 237,875.64 is: 328,268.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,079.64 : 605,930.52 = 237,875.64 : x
  2. Step 2: Convert to fraction form
    439,079.64/605,930.52 = 237,875.64/x
  3. Step 3: Cross multiply
    439,079.64x = 605,930.52 × 237,875.64
  4. Step 4: Simplify right side
    439,079.64x = 144,136,110,240.53
  5. Step 5: Solve for x
    x = 144,136,110,240.53/439,079.64
  6. Step 6: Final answer
    x = 328,268.72

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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.