Home / 240,280.63-331,562.57-138,286.24

Finding the Fourth Proportional to 240,280.63, 331,562.57 and 138,286.24

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Solution

The fourth proportional to 240,280.63, 331,562.57 and 138,286.24 is: 190,820.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,280.63 : 331,562.57 = 138,286.24 : x
  2. Step 2: Convert to fraction form
    240,280.63/331,562.57 = 138,286.24/x
  3. Step 3: Cross multiply
    240,280.63x = 331,562.57 × 138,286.24
  4. Step 4: Simplify right side
    240,280.63x = 45,850,539,609.70
  5. Step 5: Solve for x
    x = 45,850,539,609.70/240,280.63
  6. Step 6: Final answer
    x = 190,820.79

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1.5x scale

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.