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Finding the Fourth Proportional to 247,151.27, 370,470.06 and 105,087.71

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Solution

The fourth proportional to 247,151.27, 370,470.06 and 105,087.71 is: 157,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,151.27 : 370,470.06 = 105,087.71 : x
  2. Step 2: Convert to fraction form
    247,151.27/370,470.06 = 105,087.71/x
  3. Step 3: Cross multiply
    247,151.27x = 370,470.06 × 105,087.71
  4. Step 4: Simplify right side
    247,151.27x = 38,931,851,155.14
  5. Step 5: Solve for x
    x = 38,931,851,155.14/247,151.27
  6. Step 6: Final answer
    x = 157,522.36

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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.