Home / 252,900.12-379,023.16-189,220.62

Finding the Fourth Proportional to 252,900.12, 379,023.16 and 189,220.62

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Solution

The fourth proportional to 252,900.12, 379,023.16 and 189,220.62 is: 283,586.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,900.12 : 379,023.16 = 189,220.62 : x
  2. Step 2: Convert to fraction form
    252,900.12/379,023.16 = 189,220.62/x
  3. Step 3: Cross multiply
    252,900.12x = 379,023.16 × 189,220.62
  4. Step 4: Simplify right side
    252,900.12x = 71,718,997,329.56
  5. Step 5: Solve for x
    x = 71,718,997,329.56/252,900.12
  6. Step 6: Final answer
    x = 283,586.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.