Home / 240,451.20-331,763.04-155,466

Finding the Fourth Proportional to 240,451.20, 331,763.04 and 155,466

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Solution

The fourth proportional to 240,451.20, 331,763.04 and 155,466 is: 214,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,451.20 : 331,763.04 = 155,466 : x
  2. Step 2: Convert to fraction form
    240,451.20/331,763.04 = 155,466/x
  3. Step 3: Cross multiply
    240,451.20x = 331,763.04 × 155,466
  4. Step 4: Simplify right side
    240,451.20x = 51,577,872,776.64
  5. Step 5: Solve for x
    x = 51,577,872,776.64/240,451.20
  6. Step 6: Final answer
    x = 214,504.53

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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.