Home / 395,530.28-545,929.46-225,862.84

Finding the Fourth Proportional to 395,530.28, 545,929.46 and 225,862.84

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Solution

The fourth proportional to 395,530.28, 545,929.46 and 225,862.84 is: 311,746.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,530.28 : 545,929.46 = 225,862.84 : x
  2. Step 2: Convert to fraction form
    395,530.28/545,929.46 = 225,862.84/x
  3. Step 3: Cross multiply
    395,530.28x = 545,929.46 × 225,862.84
  4. Step 4: Simplify right side
    395,530.28x = 123,305,178,275.27
  5. Step 5: Solve for x
    x = 123,305,178,275.27/395,530.28
  6. Step 6: Final answer
    x = 311,746.49

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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.