Home / 578,259.28-867,222.42-199,164.70

Finding the Fourth Proportional to 578,259.28, 867,222.42 and 199,164.70

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Solution

The fourth proportional to 578,259.28, 867,222.42 and 199,164.70 is: 298,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,259.28 : 867,222.42 = 199,164.70 : x
  2. Step 2: Convert to fraction form
    578,259.28/867,222.42 = 199,164.70/x
  3. Step 3: Cross multiply
    578,259.28x = 867,222.42 × 199,164.70
  4. Step 4: Simplify right side
    578,259.28x = 172,720,093,112.57
  5. Step 5: Solve for x
    x = 172,720,093,112.57/578,259.28
  6. Step 6: Final answer
    x = 298,689.70

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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.