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Finding the Fourth Proportional to 247,611.22, 342,024 and 204,763.78

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Solution

The fourth proportional to 247,611.22, 342,024 and 204,763.78 is: 282,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,611.22 : 342,024 = 204,763.78 : x
  2. Step 2: Convert to fraction form
    247,611.22/342,024 = 204,763.78/x
  3. Step 3: Cross multiply
    247,611.22x = 342,024 × 204,763.78
  4. Step 4: Simplify right side
    247,611.22x = 70,034,127,090.72
  5. Step 5: Solve for x
    x = 70,034,127,090.72/247,611.22
  6. Step 6: Final answer
    x = 282,839.07

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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.