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Finding the Fourth Proportional to 248,102.84, 372,155.34 and 79,648.76

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Solution

The fourth proportional to 248,102.84, 372,155.34 and 79,648.76 is: 119,473.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,102.84 : 372,155.34 = 79,648.76 : x
  2. Step 2: Convert to fraction form
    248,102.84/372,155.34 = 79,648.76/x
  3. Step 3: Cross multiply
    248,102.84x = 372,155.34 × 79,648.76
  4. Step 4: Simplify right side
    248,102.84x = 29,641,711,358.38
  5. Step 5: Solve for x
    x = 29,641,711,358.38/248,102.84
  6. Step 6: Final answer
    x = 119,473.49

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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.