Home / 306,081.10-422,270.46-176,995.72

Finding the Fourth Proportional to 306,081.10, 422,270.46 and 176,995.72

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Solution

The fourth proportional to 306,081.10, 422,270.46 and 176,995.72 is: 244,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,081.10 : 422,270.46 = 176,995.72 : x
  2. Step 2: Convert to fraction form
    306,081.10/422,270.46 = 176,995.72/x
  3. Step 3: Cross multiply
    306,081.10x = 422,270.46 × 176,995.72
  4. Step 4: Simplify right side
    306,081.10x = 74,740,064,102.43
  5. Step 5: Solve for x
    x = 74,740,064,102.43/306,081.10
  6. Step 6: Final answer
    x = 244,183.86

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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.