Home / 250,459.25-345,669.20-154,996.70

Finding the Fourth Proportional to 250,459.25, 345,669.20 and 154,996.70

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Solution

The fourth proportional to 250,459.25, 345,669.20 and 154,996.70 is: 213,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,459.25 : 345,669.20 = 154,996.70 : x
  2. Step 2: Convert to fraction form
    250,459.25/345,669.20 = 154,996.70/x
  3. Step 3: Cross multiply
    250,459.25x = 345,669.20 × 154,996.70
  4. Step 4: Simplify right side
    250,459.25x = 53,577,585,291.64
  5. Step 5: Solve for x
    x = 53,577,585,291.64/250,459.25
  6. Step 6: Final answer
    x = 213,917.37

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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.