Home / 395,532.28-545,932.22-225,864.84

Finding the Fourth Proportional to 395,532.28, 545,932.22 and 225,864.84

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Solution

The fourth proportional to 395,532.28, 545,932.22 and 225,864.84 is: 311,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,532.28 : 545,932.22 = 225,864.84 : x
  2. Step 2: Convert to fraction form
    395,532.28/545,932.22 = 225,864.84/x
  3. Step 3: Cross multiply
    395,532.28x = 545,932.22 × 225,864.84
  4. Step 4: Simplify right side
    395,532.28x = 123,306,893,521.15
  5. Step 5: Solve for x
    x = 123,306,893,521.15/395,532.28
  6. Step 6: Final answer
    x = 311,749.25

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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.