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Finding the Fourth Proportional to 247,446.96, 371,139.93 and 105,349.38

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Solution

The fourth proportional to 247,446.96, 371,139.93 and 105,349.38 is: 158,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,446.96 : 371,139.93 = 105,349.38 : x
  2. Step 2: Convert to fraction form
    247,446.96/371,139.93 = 105,349.38/x
  3. Step 3: Cross multiply
    247,446.96x = 371,139.93 × 105,349.38
  4. Step 4: Simplify right side
    247,446.96x = 39,099,361,518.74
  5. Step 5: Solve for x
    x = 39,099,361,518.74/247,446.96
  6. Step 6: Final answer
    x = 158,011.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.