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Finding the Fourth Proportional to 229,062.85, 316,096.02 and 127,087.22

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Solution

The fourth proportional to 229,062.85, 316,096.02 and 127,087.22 is: 175,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,062.85 : 316,096.02 = 127,087.22 : x
  2. Step 2: Convert to fraction form
    229,062.85/316,096.02 = 127,087.22/x
  3. Step 3: Cross multiply
    229,062.85x = 316,096.02 × 127,087.22
  4. Step 4: Simplify right side
    229,062.85x = 40,171,765,225.10
  5. Step 5: Solve for x
    x = 40,171,765,225.10/229,062.85
  6. Step 6: Final answer
    x = 175,374.43

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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.