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Finding the Fourth Proportional to 207,220.32, 310,829.46 and 179,054.66

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Solution

The fourth proportional to 207,220.32, 310,829.46 and 179,054.66 is: 268,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,220.32 : 310,829.46 = 179,054.66 : x
  2. Step 2: Convert to fraction form
    207,220.32/310,829.46 = 179,054.66/x
  3. Step 3: Cross multiply
    207,220.32x = 310,829.46 × 179,054.66
  4. Step 4: Simplify right side
    207,220.32x = 55,655,463,278.28
  5. Step 5: Solve for x
    x = 55,655,463,278.28/207,220.32
  6. Step 6: Final answer
    x = 268,581.11

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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.