Home / 250,245.04-345,306.60-199,386.64

Finding the Fourth Proportional to 250,245.04, 345,306.60 and 199,386.64

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Solution

The fourth proportional to 250,245.04, 345,306.60 and 199,386.64 is: 275,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,245.04 : 345,306.60 = 199,386.64 : x
  2. Step 2: Convert to fraction form
    250,245.04/345,306.60 = 199,386.64/x
  3. Step 3: Cross multiply
    250,245.04x = 345,306.60 × 199,386.64
  4. Step 4: Simplify right side
    250,245.04x = 68,849,522,743.82
  5. Step 5: Solve for x
    x = 68,849,522,743.82/250,245.04
  6. Step 6: Final answer
    x = 275,128.42

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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.