Home / 330,436.35-494,582.15-178,422.10

Finding the Fourth Proportional to 330,436.35, 494,582.15 and 178,422.10

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Solution

The fourth proportional to 330,436.35, 494,582.15 and 178,422.10 is: 267,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,436.35 : 494,582.15 = 178,422.10 : x
  2. Step 2: Convert to fraction form
    330,436.35/494,582.15 = 178,422.10/x
  3. Step 3: Cross multiply
    330,436.35x = 494,582.15 × 178,422.10
  4. Step 4: Simplify right side
    330,436.35x = 88,244,385,035.11
  5. Step 5: Solve for x
    x = 88,244,385,035.11/330,436.35
  6. Step 6: Final answer
    x = 267,054.11

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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.