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Finding the Fourth Proportional to 273,652.65, 410,374.38 and 131,457.42

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Solution

The fourth proportional to 273,652.65, 410,374.38 and 131,457.42 is: 197,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,652.65 : 410,374.38 = 131,457.42 : x
  2. Step 2: Convert to fraction form
    273,652.65/410,374.38 = 131,457.42/x
  3. Step 3: Cross multiply
    273,652.65x = 410,374.38 × 131,457.42
  4. Step 4: Simplify right side
    273,652.65x = 53,946,757,228.90
  5. Step 5: Solve for x
    x = 53,946,757,228.90/273,652.65
  6. Step 6: Final answer
    x = 197,135.88

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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.