Home / 398,350.42-549,723.66-217,062.38

Finding the Fourth Proportional to 398,350.42, 549,723.66 and 217,062.38

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Solution

The fourth proportional to 398,350.42, 549,723.66 and 217,062.38 is: 299,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,350.42 : 549,723.66 = 217,062.38 : x
  2. Step 2: Convert to fraction form
    398,350.42/549,723.66 = 217,062.38/x
  3. Step 3: Cross multiply
    398,350.42x = 549,723.66 × 217,062.38
  4. Step 4: Simplify right side
    398,350.42x = 119,324,325,981.91
  5. Step 5: Solve for x
    x = 119,324,325,981.91/398,350.42
  6. Step 6: Final answer
    x = 299,546.13

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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.