Home / 269,529.50-404,313.70-103,317.50

Finding the Fourth Proportional to 269,529.50, 404,313.70 and 103,317.50

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Solution

The fourth proportional to 269,529.50, 404,313.70 and 103,317.50 is: 154,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,529.50 : 404,313.70 = 103,317.50 : x
  2. Step 2: Convert to fraction form
    269,529.50/404,313.70 = 103,317.50/x
  3. Step 3: Cross multiply
    269,529.50x = 404,313.70 × 103,317.50
  4. Step 4: Simplify right side
    269,529.50x = 41,772,680,699.75
  5. Step 5: Solve for x
    x = 41,772,680,699.75/269,529.50
  6. Step 6: Final answer
    x = 154,983.71

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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.