Home / 362,961.50-500,828.55-209,997.86

Finding the Fourth Proportional to 362,961.50, 500,828.55 and 209,997.86

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Solution

The fourth proportional to 362,961.50, 500,828.55 and 209,997.86 is: 289,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,961.50 : 500,828.55 = 209,997.86 : x
  2. Step 2: Convert to fraction form
    362,961.50/500,828.55 = 209,997.86/x
  3. Step 3: Cross multiply
    362,961.50x = 500,828.55 × 209,997.86
  4. Step 4: Simplify right side
    362,961.50x = 105,172,923,726.90
  5. Step 5: Solve for x
    x = 105,172,923,726.90/362,961.50
  6. Step 6: Final answer
    x = 289,763.30

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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.