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Finding the Fourth Proportional to 295,998.30, 443,997.45 and 146,267.10

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Solution

The fourth proportional to 295,998.30, 443,997.45 and 146,267.10 is: 219,400.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,998.30 : 443,997.45 = 146,267.10 : x
  2. Step 2: Convert to fraction form
    295,998.30/443,997.45 = 146,267.10/x
  3. Step 3: Cross multiply
    295,998.30x = 443,997.45 × 146,267.10
  4. Step 4: Simplify right side
    295,998.30x = 64,942,219,418.90
  5. Step 5: Solve for x
    x = 64,942,219,418.90/295,998.30
  6. Step 6: Final answer
    x = 219,400.65

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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.