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Finding the Fourth Proportional to 247,480.36, 370,742.22 and 147,720.04

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Solution

The fourth proportional to 247,480.36, 370,742.22 and 147,720.04 is: 221,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,480.36 : 370,742.22 = 147,720.04 : x
  2. Step 2: Convert to fraction form
    247,480.36/370,742.22 = 147,720.04/x
  3. Step 3: Cross multiply
    247,480.36x = 370,742.22 × 147,720.04
  4. Step 4: Simplify right side
    247,480.36x = 54,766,055,568.09
  5. Step 5: Solve for x
    x = 54,766,055,568.09/247,480.36
  6. Step 6: Final answer
    x = 221,294.55

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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.