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Finding the Fourth Proportional to 268,114.62, 402,169.44 and 68,432.22

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Solution

The fourth proportional to 268,114.62, 402,169.44 and 68,432.22 is: 102,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,114.62 : 402,169.44 = 68,432.22 : x
  2. Step 2: Convert to fraction form
    268,114.62/402,169.44 = 68,432.22/x
  3. Step 3: Cross multiply
    268,114.62x = 402,169.44 × 68,432.22
  4. Step 4: Simplify right side
    268,114.62x = 27,521,347,595.36
  5. Step 5: Solve for x
    x = 27,521,347,595.36/268,114.62
  6. Step 6: Final answer
    x = 102,647.69

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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.