Home / 269,355.48-403,994.32-82,316.76

Finding the Fourth Proportional to 269,355.48, 403,994.32 and 82,316.76

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Solution

The fourth proportional to 269,355.48, 403,994.32 and 82,316.76 is: 123,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,355.48 : 403,994.32 = 82,316.76 : x
  2. Step 2: Convert to fraction form
    269,355.48/403,994.32 = 82,316.76/x
  3. Step 3: Cross multiply
    269,355.48x = 403,994.32 × 82,316.76
  4. Step 4: Simplify right side
    269,355.48x = 33,255,503,480.80
  5. Step 5: Solve for x
    x = 33,255,503,480.80/269,355.48
  6. Step 6: Final answer
    x = 123,463.25

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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.