Home / 229,627.40-316,861.00-127,657.24

Finding the Fourth Proportional to 229,627.40, 316,861.00 and 127,657.24

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Solution

The fourth proportional to 229,627.40, 316,861.00 and 127,657.24 is: 176,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,627.40 : 316,861.00 = 127,657.24 : x
  2. Step 2: Convert to fraction form
    229,627.40/316,861.00 = 127,657.24/x
  3. Step 3: Cross multiply
    229,627.40x = 316,861.00 × 127,657.24
  4. Step 4: Simplify right side
    229,627.40x = 40,449,599,612.34
  5. Step 5: Solve for x
    x = 40,449,599,612.34/229,627.40
  6. Step 6: Final answer
    x = 176,153.20

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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.