Home / 269,750.20-372,226.44-155,005.60

Finding the Fourth Proportional to 269,750.20, 372,226.44 and 155,005.60

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Solution

The fourth proportional to 269,750.20, 372,226.44 and 155,005.60 is: 213,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,750.20 : 372,226.44 = 155,005.60 : x
  2. Step 2: Convert to fraction form
    269,750.20/372,226.44 = 155,005.60/x
  3. Step 3: Cross multiply
    269,750.20x = 372,226.44 × 155,005.60
  4. Step 4: Simplify right side
    269,750.20x = 57,697,182,668.06
  5. Step 5: Solve for x
    x = 57,697,182,668.06/269,750.20
  6. Step 6: Final answer
    x = 213,891.16

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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.