Home / 558,849.20-838,273.80-203,874.80

Finding the Fourth Proportional to 558,849.20, 838,273.80 and 203,874.80

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Solution

The fourth proportional to 558,849.20, 838,273.80 and 203,874.80 is: 305,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,849.20 : 838,273.80 = 203,874.80 : x
  2. Step 2: Convert to fraction form
    558,849.20/838,273.80 = 203,874.80/x
  3. Step 3: Cross multiply
    558,849.20x = 838,273.80 × 203,874.80
  4. Step 4: Simplify right side
    558,849.20x = 170,902,903,320.24
  5. Step 5: Solve for x
    x = 170,902,903,320.24/558,849.20
  6. Step 6: Final answer
    x = 305,812.20

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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.