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Finding the Fourth Proportional to 250,687, 345,948.06 and 137,510.02

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Solution

The fourth proportional to 250,687, 345,948.06 and 137,510.02 is: 189,763.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,687 : 345,948.06 = 137,510.02 : x
  2. Step 2: Convert to fraction form
    250,687/345,948.06 = 137,510.02/x
  3. Step 3: Cross multiply
    250,687x = 345,948.06 × 137,510.02
  4. Step 4: Simplify right side
    250,687x = 47,571,324,649.56
  5. Step 5: Solve for x
    x = 47,571,324,649.56/250,687
  6. Step 6: Final answer
    x = 189,763.83

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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.