Home / 229,872.24-317,227.56-127,905.84

Finding the Fourth Proportional to 229,872.24, 317,227.56 and 127,905.84

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Solution

The fourth proportional to 229,872.24, 317,227.56 and 127,905.84 is: 176,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,872.24 : 317,227.56 = 127,905.84 : x
  2. Step 2: Convert to fraction form
    229,872.24/317,227.56 = 127,905.84/x
  3. Step 3: Cross multiply
    229,872.24x = 317,227.56 × 127,905.84
  4. Step 4: Simplify right side
    229,872.24x = 40,575,257,532.95
  5. Step 5: Solve for x
    x = 40,575,257,532.95/229,872.24
  6. Step 6: Final answer
    x = 176,512.21

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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.