Home / 280,151.98-386,628.02-159,304.52

Finding the Fourth Proportional to 280,151.98, 386,628.02 and 159,304.52

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Solution

The fourth proportional to 280,151.98, 386,628.02 and 159,304.52 is: 219,850.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,151.98 : 386,628.02 = 159,304.52 : x
  2. Step 2: Convert to fraction form
    280,151.98/386,628.02 = 159,304.52/x
  3. Step 3: Cross multiply
    280,151.98x = 386,628.02 × 159,304.52
  4. Step 4: Simplify right side
    280,151.98x = 61,591,591,144.65
  5. Step 5: Solve for x
    x = 61,591,591,144.65/280,151.98
  6. Step 6: Final answer
    x = 219,850.64

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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.