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Finding the Fourth Proportional to 654,833.70, 982,250.55 and 211,601.70

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Solution

The fourth proportional to 654,833.70, 982,250.55 and 211,601.70 is: 317,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,833.70 : 982,250.55 = 211,601.70 : x
  2. Step 2: Convert to fraction form
    654,833.70/982,250.55 = 211,601.70/x
  3. Step 3: Cross multiply
    654,833.70x = 982,250.55 × 211,601.70
  4. Step 4: Simplify right side
    654,833.70x = 207,845,886,205.94
  5. Step 5: Solve for x
    x = 207,845,886,205.94/654,833.70
  6. Step 6: Final answer
    x = 317,402.55

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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.