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Finding the Fourth Proportional to 273,242.01, 409,862.64 and 73,562.61

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Solution

The fourth proportional to 273,242.01, 409,862.64 and 73,562.61 is: 110,343.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,242.01 : 409,862.64 = 73,562.61 : x
  2. Step 2: Convert to fraction form
    273,242.01/409,862.64 = 73,562.61/x
  3. Step 3: Cross multiply
    273,242.01x = 409,862.64 × 73,562.61
  4. Step 4: Simplify right side
    273,242.01x = 30,150,565,539.89
  5. Step 5: Solve for x
    x = 30,150,565,539.89/273,242.01
  6. Step 6: Final answer
    x = 110,343.81

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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.