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Finding the Fourth Proportional to 247,604.06, 341,903.04 and 157,120.58

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Solution

The fourth proportional to 247,604.06, 341,903.04 and 157,120.58 is: 216,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,604.06 : 341,903.04 = 157,120.58 : x
  2. Step 2: Convert to fraction form
    247,604.06/341,903.04 = 157,120.58/x
  3. Step 3: Cross multiply
    247,604.06x = 341,903.04 × 157,120.58
  4. Step 4: Simplify right side
    247,604.06x = 53,720,003,948.56
  5. Step 5: Solve for x
    x = 53,720,003,948.56/247,604.06
  6. Step 6: Final answer
    x = 216,959.30

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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.