Home / 431,739.02-647,216.48-151,103.18

Finding the Fourth Proportional to 431,739.02, 647,216.48 and 151,103.18

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Solution

The fourth proportional to 431,739.02, 647,216.48 and 151,103.18 is: 226,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,739.02 : 647,216.48 = 151,103.18 : x
  2. Step 2: Convert to fraction form
    431,739.02/647,216.48 = 151,103.18/x
  3. Step 3: Cross multiply
    431,739.02x = 647,216.48 × 151,103.18
  4. Step 4: Simplify right side
    431,739.02x = 97,796,468,276.41
  5. Step 5: Solve for x
    x = 97,796,468,276.41/431,739.02
  6. Step 6: Final answer
    x = 226,517.56

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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.