Home / 229,310.80-316,438.26-127,342.73

Finding the Fourth Proportional to 229,310.80, 316,438.26 and 127,342.73

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Solution

The fourth proportional to 229,310.80, 316,438.26 and 127,342.73 is: 175,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,310.80 : 316,438.26 = 127,342.73 : x
  2. Step 2: Convert to fraction form
    229,310.80/316,438.26 = 127,342.73/x
  3. Step 3: Cross multiply
    229,310.80x = 316,438.26 × 127,342.73
  4. Step 4: Simplify right side
    229,310.80x = 40,296,112,934.71
  5. Step 5: Solve for x
    x = 40,296,112,934.71/229,310.80
  6. Step 6: Final answer
    x = 175,727.06

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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.