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Finding the Fourth Proportional to 265,310.70, 397,966.05 and 181,329.90

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Solution

The fourth proportional to 265,310.70, 397,966.05 and 181,329.90 is: 271,994.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,310.70 : 397,966.05 = 181,329.90 : x
  2. Step 2: Convert to fraction form
    265,310.70/397,966.05 = 181,329.90/x
  3. Step 3: Cross multiply
    265,310.70x = 397,966.05 × 181,329.90
  4. Step 4: Simplify right side
    265,310.70x = 72,163,144,049.90
  5. Step 5: Solve for x
    x = 72,163,144,049.90/265,310.70
  6. Step 6: Final answer
    x = 271,994.85

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Similar ratio
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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.