Home / 224,976.20-310,457.62-122,999.88

Finding the Fourth Proportional to 224,976.20, 310,457.62 and 122,999.88

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Solution

The fourth proportional to 224,976.20, 310,457.62 and 122,999.88 is: 169,734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,976.20 : 310,457.62 = 122,999.88 : x
  2. Step 2: Convert to fraction form
    224,976.20/310,457.62 = 122,999.88/x
  3. Step 3: Cross multiply
    224,976.20x = 310,457.62 × 122,999.88
  4. Step 4: Simplify right side
    224,976.20x = 38,186,250,005.09
  5. Step 5: Solve for x
    x = 38,186,250,005.09/224,976.20
  6. Step 6: Final answer
    x = 169,734.62

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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.