Home / 229,188.28-316,278.69-127,214.95

Finding the Fourth Proportional to 229,188.28, 316,278.69 and 127,214.95

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Solution

The fourth proportional to 229,188.28, 316,278.69 and 127,214.95 is: 175,556.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,188.28 : 316,278.69 = 127,214.95 : x
  2. Step 2: Convert to fraction form
    229,188.28/316,278.69 = 127,214.95/x
  3. Step 3: Cross multiply
    229,188.28x = 316,278.69 × 127,214.95
  4. Step 4: Simplify right side
    229,188.28x = 40,235,377,734.42
  5. Step 5: Solve for x
    x = 40,235,377,734.42/229,188.28
  6. Step 6: Final answer
    x = 175,556.00

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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.