Home / 247,277.20-371,304.60-142,301.20

Finding the Fourth Proportional to 247,277.20, 371,304.60 and 142,301.20

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Solution

The fourth proportional to 247,277.20, 371,304.60 and 142,301.20 is: 213,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,277.20 : 371,304.60 = 142,301.20 : x
  2. Step 2: Convert to fraction form
    247,277.20/371,304.60 = 142,301.20/x
  3. Step 3: Cross multiply
    247,277.20x = 371,304.60 × 142,301.20
  4. Step 4: Simplify right side
    247,277.20x = 52,837,090,145.52
  5. Step 5: Solve for x
    x = 52,837,090,145.52/247,277.20
  6. Step 6: Final answer
    x = 213,675.54

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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.