Home / 247,720.09-341,842.29-140,290.90

Finding the Fourth Proportional to 247,720.09, 341,842.29 and 140,290.90

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Solution

The fourth proportional to 247,720.09, 341,842.29 and 140,290.90 is: 193,594.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,720.09 : 341,842.29 = 140,290.90 : x
  2. Step 2: Convert to fraction form
    247,720.09/341,842.29 = 140,290.90/x
  3. Step 3: Cross multiply
    247,720.09x = 341,842.29 × 140,290.90
  4. Step 4: Simplify right side
    247,720.09x = 47,957,362,522.16
  5. Step 5: Solve for x
    x = 47,957,362,522.16/247,720.09
  6. Step 6: Final answer
    x = 193,594.97

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1.5x scale

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.