Home / 306,153.23-422,460.83-177,081.95

Finding the Fourth Proportional to 306,153.23, 422,460.83 and 177,081.95

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Solution

The fourth proportional to 306,153.23, 422,460.83 and 177,081.95 is: 244,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,153.23 : 422,460.83 = 177,081.95 : x
  2. Step 2: Convert to fraction form
    306,153.23/422,460.83 = 177,081.95/x
  3. Step 3: Cross multiply
    306,153.23x = 422,460.83 × 177,081.95
  4. Step 4: Simplify right side
    306,153.23x = 74,810,189,073.88
  5. Step 5: Solve for x
    x = 74,810,189,073.88/306,153.23
  6. Step 6: Final answer
    x = 244,355.38

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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.