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Finding the Fourth Proportional to 250,300.68, 345,138.21 and 159,512.91

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Solution

The fourth proportional to 250,300.68, 345,138.21 and 159,512.91 is: 219,951.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,300.68 : 345,138.21 = 159,512.91 : x
  2. Step 2: Convert to fraction form
    250,300.68/345,138.21 = 159,512.91/x
  3. Step 3: Cross multiply
    250,300.68x = 345,138.21 × 159,512.91
  4. Step 4: Simplify right side
    250,300.68x = 55,054,000,229.29
  5. Step 5: Solve for x
    x = 55,054,000,229.29/250,300.68
  6. Step 6: Final answer
    x = 219,951.46

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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.