Home / 229,478.28-316,679.00-127,520.34

Finding the Fourth Proportional to 229,478.28, 316,679.00 and 127,520.34

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Solution

The fourth proportional to 229,478.28, 316,679.00 and 127,520.34 is: 175,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,478.28 : 316,679.00 = 127,520.34 : x
  2. Step 2: Convert to fraction form
    229,478.28/316,679.00 = 127,520.34/x
  3. Step 3: Cross multiply
    229,478.28x = 316,679.00 × 127,520.34
  4. Step 4: Simplify right side
    229,478.28x = 40,383,013,113.26
  5. Step 5: Solve for x
    x = 40,383,013,113.26/229,478.28
  6. Step 6: Final answer
    x = 175,977.50

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1.5x scale

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.