Home / 395,526.28-545,923.92-225,858.82

Finding the Fourth Proportional to 395,526.28, 545,923.92 and 225,858.82

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Solution

The fourth proportional to 395,526.28, 545,923.92 and 225,858.82 is: 311,740.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,526.28 : 545,923.92 = 225,858.82 : x
  2. Step 2: Convert to fraction form
    395,526.28/545,923.92 = 225,858.82/x
  3. Step 3: Cross multiply
    395,526.28x = 545,923.92 × 225,858.82
  4. Step 4: Simplify right side
    395,526.28x = 123,301,732,380.97
  5. Step 5: Solve for x
    x = 123,301,732,380.97/395,526.28
  6. Step 6: Final answer
    x = 311,740.94

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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.