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Finding the Fourth Proportional to 252,071.72, 347,842.76 and 150,104.67

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Solution

The fourth proportional to 252,071.72, 347,842.76 and 150,104.67 is: 207,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,071.72 : 347,842.76 = 150,104.67 : x
  2. Step 2: Convert to fraction form
    252,071.72/347,842.76 = 150,104.67/x
  3. Step 3: Cross multiply
    252,071.72x = 347,842.76 × 150,104.67
  4. Step 4: Simplify right side
    252,071.72x = 52,212,822,701.69
  5. Step 5: Solve for x
    x = 52,212,822,701.69/252,071.72
  6. Step 6: Final answer
    x = 207,134.79

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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.