Home / 410,188.88-615,016.33-170,236.71

Finding the Fourth Proportional to 410,188.88, 615,016.33 and 170,236.71

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Solution

The fourth proportional to 410,188.88, 615,016.33 and 170,236.71 is: 255,244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,188.88 : 615,016.33 = 170,236.71 : x
  2. Step 2: Convert to fraction form
    410,188.88/615,016.33 = 170,236.71/x
  3. Step 3: Cross multiply
    410,188.88x = 615,016.33 × 170,236.71
  4. Step 4: Simplify right side
    410,188.88x = 104,698,356,189.88
  5. Step 5: Solve for x
    x = 104,698,356,189.88/410,188.88
  6. Step 6: Final answer
    x = 255,244.26

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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.