Home / 270,517.28-373,281.37-155,833.43

Finding the Fourth Proportional to 270,517.28, 373,281.37 and 155,833.43

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Solution

The fourth proportional to 270,517.28, 373,281.37 and 155,833.43 is: 215,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,517.28 : 373,281.37 = 155,833.43 : x
  2. Step 2: Convert to fraction form
    270,517.28/373,281.37 = 155,833.43/x
  3. Step 3: Cross multiply
    270,517.28x = 373,281.37 × 155,833.43
  4. Step 4: Simplify right side
    270,517.28x = 58,169,713,986.21
  5. Step 5: Solve for x
    x = 58,169,713,986.21/270,517.28
  6. Step 6: Final answer
    x = 215,031.42

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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.