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Finding the Fourth Proportional to 533,140.67, 799,711.00 and 213,436.46

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Solution

The fourth proportional to 533,140.67, 799,711.00 and 213,436.46 is: 320,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,140.67 : 799,711.00 = 213,436.46 : x
  2. Step 2: Convert to fraction form
    533,140.67/799,711.00 = 213,436.46/x
  3. Step 3: Cross multiply
    533,140.67x = 799,711.00 × 213,436.46
  4. Step 4: Simplify right side
    533,140.67x = 170,687,486,328.75
  5. Step 5: Solve for x
    x = 170,687,486,328.75/533,140.67
  6. Step 6: Final answer
    x = 320,154.69

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Similar ratio
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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.