Home / 227,579.49-341,413.28-87,327.21

Finding the Fourth Proportional to 227,579.49, 341,413.28 and 87,327.21

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Solution

The fourth proportional to 227,579.49, 341,413.28 and 87,327.21 is: 131,007.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,579.49 : 341,413.28 = 87,327.21 : x
  2. Step 2: Convert to fraction form
    227,579.49/341,413.28 = 87,327.21/x
  3. Step 3: Cross multiply
    227,579.49x = 341,413.28 × 87,327.21
  4. Step 4: Simplify right side
    227,579.49x = 29,814,668,762.71
  5. Step 5: Solve for x
    x = 29,814,668,762.71/227,579.49
  6. Step 6: Final answer
    x = 131,007.71

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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.