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Finding the Fourth Proportional to 240,680.88, 361,062.32 and 120,795.01

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Solution

The fourth proportional to 240,680.88, 361,062.32 and 120,795.01 is: 181,213.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,680.88 : 361,062.32 = 120,795.01 : x
  2. Step 2: Convert to fraction form
    240,680.88/361,062.32 = 120,795.01/x
  3. Step 3: Cross multiply
    240,680.88x = 361,062.32 × 120,795.01
  4. Step 4: Simplify right side
    240,680.88x = 43,614,524,145.74
  5. Step 5: Solve for x
    x = 43,614,524,145.74/240,680.88
  6. Step 6: Final answer
    x = 181,213.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.