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Finding the Fourth Proportional to 229,600.16, 316,848 and 127,622.40

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Solution

The fourth proportional to 229,600.16, 316,848 and 127,622.40 is: 176,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,600.16 : 316,848 = 127,622.40 : x
  2. Step 2: Convert to fraction form
    229,600.16/316,848 = 127,622.40/x
  3. Step 3: Cross multiply
    229,600.16x = 316,848 × 127,622.40
  4. Step 4: Simplify right side
    229,600.16x = 40,436,902,195.20
  5. Step 5: Solve for x
    x = 40,436,902,195.20/229,600.16
  6. Step 6: Final answer
    x = 176,118.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.