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Finding the Fourth Proportional to 324,001.30, 486,001.95 and 113,611.90

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Solution

The fourth proportional to 324,001.30, 486,001.95 and 113,611.90 is: 170,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,001.30 : 486,001.95 = 113,611.90 : x
  2. Step 2: Convert to fraction form
    324,001.30/486,001.95 = 113,611.90/x
  3. Step 3: Cross multiply
    324,001.30x = 486,001.95 × 113,611.90
  4. Step 4: Simplify right side
    324,001.30x = 55,215,604,943.21
  5. Step 5: Solve for x
    x = 55,215,604,943.21/324,001.30
  6. Step 6: Final answer
    x = 170,417.85

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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.