Home / 275,934.14-380,820.68-153,438.73

Finding the Fourth Proportional to 275,934.14, 380,820.68 and 153,438.73

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Solution

The fourth proportional to 275,934.14, 380,820.68 and 153,438.73 is: 211,763.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,934.14 : 380,820.68 = 153,438.73 : x
  2. Step 2: Convert to fraction form
    275,934.14/380,820.68 = 153,438.73/x
  3. Step 3: Cross multiply
    275,934.14x = 380,820.68 × 153,438.73
  4. Step 4: Simplify right side
    275,934.14x = 58,432,640,353.09
  5. Step 5: Solve for x
    x = 58,432,640,353.09/275,934.14
  6. Step 6: Final answer
    x = 211,763.00

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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.