Home / 291,470.38-402,229.96-168,986.57

Finding the Fourth Proportional to 291,470.38, 402,229.96 and 168,986.57

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Solution

The fourth proportional to 291,470.38, 402,229.96 and 168,986.57 is: 233,201.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,470.38 : 402,229.96 = 168,986.57 : x
  2. Step 2: Convert to fraction form
    291,470.38/402,229.96 = 168,986.57/x
  3. Step 3: Cross multiply
    291,470.38x = 402,229.96 × 168,986.57
  4. Step 4: Simplify right side
    291,470.38x = 67,971,459,280.49
  5. Step 5: Solve for x
    x = 67,971,459,280.49/291,470.38
  6. Step 6: Final answer
    x = 233,201.94

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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.