Home / 416,151.65-574,289.21-225,165.05

Finding the Fourth Proportional to 416,151.65, 574,289.21 and 225,165.05

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Solution

The fourth proportional to 416,151.65, 574,289.21 and 225,165.05 is: 310,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,151.65 : 574,289.21 = 225,165.05 : x
  2. Step 2: Convert to fraction form
    416,151.65/574,289.21 = 225,165.05/x
  3. Step 3: Cross multiply
    416,151.65x = 574,289.21 × 225,165.05
  4. Step 4: Simplify right side
    416,151.65x = 129,309,854,686.84
  5. Step 5: Solve for x
    x = 129,309,854,686.84/416,151.65
  6. Step 6: Final answer
    x = 310,727.73

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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.