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Finding the Fourth Proportional to 526,273.92, 789,460.72 and 147,194.72

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Solution

The fourth proportional to 526,273.92, 789,460.72 and 147,194.72 is: 220,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,273.92 : 789,460.72 = 147,194.72 : x
  2. Step 2: Convert to fraction form
    526,273.92/789,460.72 = 147,194.72/x
  3. Step 3: Cross multiply
    526,273.92x = 789,460.72 × 147,194.72
  4. Step 4: Simplify right side
    526,273.92x = 116,204,449,631.40
  5. Step 5: Solve for x
    x = 116,204,449,631.40/526,273.92
  6. Step 6: Final answer
    x = 220,806.02

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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.