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Finding the Fourth Proportional to 273,648.10, 410,472.15 and 73,999.30

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Solution

The fourth proportional to 273,648.10, 410,472.15 and 73,999.30 is: 110,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,648.10 : 410,472.15 = 73,999.30 : x
  2. Step 2: Convert to fraction form
    273,648.10/410,472.15 = 73,999.30/x
  3. Step 3: Cross multiply
    273,648.10x = 410,472.15 × 73,999.30
  4. Step 4: Simplify right side
    273,648.10x = 30,374,651,769.50
  5. Step 5: Solve for x
    x = 30,374,651,769.50/273,648.10
  6. Step 6: Final answer
    x = 110,998.95

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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.