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Finding the Fourth Proportional to 248,168.61, 372,217.76 and 79,666.75

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Solution

The fourth proportional to 248,168.61, 372,217.76 and 79,666.75 is: 119,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,168.61 : 372,217.76 = 79,666.75 : x
  2. Step 2: Convert to fraction form
    248,168.61/372,217.76 = 79,666.75/x
  3. Step 3: Cross multiply
    248,168.61x = 372,217.76 × 79,666.75
  4. Step 4: Simplify right side
    248,168.61x = 29,653,377,370.39
  5. Step 5: Solve for x
    x = 29,653,377,370.39/248,168.61
  6. Step 6: Final answer
    x = 119,488.83

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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.