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Finding the Fourth Proportional to 499,039.22, 748,855.29 and 183,717.56

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Solution

The fourth proportional to 499,039.22, 748,855.29 and 183,717.56 is: 275,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,039.22 : 748,855.29 = 183,717.56 : x
  2. Step 2: Convert to fraction form
    499,039.22/748,855.29 = 183,717.56/x
  3. Step 3: Cross multiply
    499,039.22x = 748,855.29 × 183,717.56
  4. Step 4: Simplify right side
    499,039.22x = 137,577,866,671.89
  5. Step 5: Solve for x
    x = 137,577,866,671.89/499,039.22
  6. Step 6: Final answer
    x = 275,685.48

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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.