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Finding the Fourth Proportional to 330,880.82, 456,696.66 and 187,724.66

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Solution

The fourth proportional to 330,880.82, 456,696.66 and 187,724.66 is: 259,106.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,880.82 : 456,696.66 = 187,724.66 : x
  2. Step 2: Convert to fraction form
    330,880.82/456,696.66 = 187,724.66/x
  3. Step 3: Cross multiply
    330,880.82x = 456,696.66 × 187,724.66
  4. Step 4: Simplify right side
    330,880.82x = 85,733,225,221.64
  5. Step 5: Solve for x
    x = 85,733,225,221.64/330,880.82
  6. Step 6: Final answer
    x = 259,106.06

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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.