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Finding the Fourth Proportional to 248,659.80, 372,950.10 and 82,447.80

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Solution

The fourth proportional to 248,659.80, 372,950.10 and 82,447.80 is: 123,658.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,659.80 : 372,950.10 = 82,447.80 : x
  2. Step 2: Convert to fraction form
    248,659.80/372,950.10 = 82,447.80/x
  3. Step 3: Cross multiply
    248,659.80x = 372,950.10 × 82,447.80
  4. Step 4: Simplify right side
    248,659.80x = 30,748,915,254.78
  5. Step 5: Solve for x
    x = 30,748,915,254.78/248,659.80
  6. Step 6: Final answer
    x = 123,658.57

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1.5x scale

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.