Home / 481,039.43-721,533.02-181,512.77

Finding the Fourth Proportional to 481,039.43, 721,533.02 and 181,512.77

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Solution

The fourth proportional to 481,039.43, 721,533.02 and 181,512.77 is: 272,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,039.43 : 721,533.02 = 181,512.77 : x
  2. Step 2: Convert to fraction form
    481,039.43/721,533.02 = 181,512.77/x
  3. Step 3: Cross multiply
    481,039.43x = 721,533.02 × 181,512.77
  4. Step 4: Simplify right side
    481,039.43x = 130,967,452,591.44
  5. Step 5: Solve for x
    x = 130,967,452,591.44/481,039.43
  6. Step 6: Final answer
    x = 272,259.29

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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.