Home / 395,592.12-545,956.20-225,851.76

Finding the Fourth Proportional to 395,592.12, 545,956.20 and 225,851.76

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Solution

The fourth proportional to 395,592.12, 545,956.20 and 225,851.76 is: 311,697.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,592.12 : 545,956.20 = 225,851.76 : x
  2. Step 2: Convert to fraction form
    395,592.12/545,956.20 = 225,851.76/x
  3. Step 3: Cross multiply
    395,592.12x = 545,956.20 × 225,851.76
  4. Step 4: Simplify right side
    395,592.12x = 123,305,168,652.91
  5. Step 5: Solve for x
    x = 123,305,168,652.91/395,592.12
  6. Step 6: Final answer
    x = 311,697.74

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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.