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Finding the Fourth Proportional to 618,775.65, 928,164.23 and 169,500.39

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Solution

The fourth proportional to 618,775.65, 928,164.23 and 169,500.39 is: 254,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,775.65 : 928,164.23 = 169,500.39 : x
  2. Step 2: Convert to fraction form
    618,775.65/928,164.23 = 169,500.39/x
  3. Step 3: Cross multiply
    618,775.65x = 928,164.23 × 169,500.39
  4. Step 4: Simplify right side
    618,775.65x = 157,324,198,121.55
  5. Step 5: Solve for x
    x = 157,324,198,121.55/618,775.65
  6. Step 6: Final answer
    x = 254,250.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.