Home / 270,518.28-373,282.75-155,834.43

Finding the Fourth Proportional to 270,518.28, 373,282.75 and 155,834.43

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Solution

The fourth proportional to 270,518.28, 373,282.75 and 155,834.43 is: 215,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,518.28 : 373,282.75 = 155,834.43 : x
  2. Step 2: Convert to fraction form
    270,518.28/373,282.75 = 155,834.43/x
  3. Step 3: Cross multiply
    270,518.28x = 373,282.75 × 155,834.43
  4. Step 4: Simplify right side
    270,518.28x = 58,170,304,575.08
  5. Step 5: Solve for x
    x = 58,170,304,575.08/270,518.28
  6. Step 6: Final answer
    x = 215,032.81

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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.