Home / 231,326.20-346,989.30-178,773.40

Finding the Fourth Proportional to 231,326.20, 346,989.30 and 178,773.40

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Solution

The fourth proportional to 231,326.20, 346,989.30 and 178,773.40 is: 268,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,326.20 : 346,989.30 = 178,773.40 : x
  2. Step 2: Convert to fraction form
    231,326.20/346,989.30 = 178,773.40/x
  3. Step 3: Cross multiply
    231,326.20x = 346,989.30 × 178,773.40
  4. Step 4: Simplify right side
    231,326.20x = 62,032,456,924.62
  5. Step 5: Solve for x
    x = 62,032,456,924.62/231,326.20
  6. Step 6: Final answer
    x = 268,160.10

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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.