Home / 395,215.02-545,255.01-225,350.73

Finding the Fourth Proportional to 395,215.02, 545,255.01 and 225,350.73

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Solution

The fourth proportional to 395,215.02, 545,255.01 and 225,350.73 is: 310,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,215.02 : 545,255.01 = 225,350.73 : x
  2. Step 2: Convert to fraction form
    395,215.02/545,255.01 = 225,350.73/x
  3. Step 3: Cross multiply
    395,215.02x = 545,255.01 × 225,350.73
  4. Step 4: Simplify right side
    395,215.02x = 122,873,614,539.66
  5. Step 5: Solve for x
    x = 122,873,614,539.66/395,215.02
  6. Step 6: Final answer
    x = 310,903.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.