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Finding the Fourth Proportional to 546,722.43, 819,990.19 and 147,269.78

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Solution

The fourth proportional to 546,722.43, 819,990.19 and 147,269.78 is: 220,879.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,722.43 : 819,990.19 = 147,269.78 : x
  2. Step 2: Convert to fraction form
    546,722.43/819,990.19 = 147,269.78/x
  3. Step 3: Cross multiply
    546,722.43x = 819,990.19 × 147,269.78
  4. Step 4: Simplify right side
    546,722.43x = 120,759,774,883.46
  5. Step 5: Solve for x
    x = 120,759,774,883.46/546,722.43
  6. Step 6: Final answer
    x = 220,879.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.