Home / 426,540.08-588,620.55-235,549.64

Finding the Fourth Proportional to 426,540.08, 588,620.55 and 235,549.64

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Solution

The fourth proportional to 426,540.08, 588,620.55 and 235,549.64 is: 325,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,540.08 : 588,620.55 = 235,549.64 : x
  2. Step 2: Convert to fraction form
    426,540.08/588,620.55 = 235,549.64/x
  3. Step 3: Cross multiply
    426,540.08x = 588,620.55 × 235,549.64
  4. Step 4: Simplify right side
    426,540.08x = 138,649,358,649.10
  5. Step 5: Solve for x
    x = 138,649,358,649.10/426,540.08
  6. Step 6: Final answer
    x = 325,055.87

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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.