Home / 336,910.28-505,002.54-178,979.72

Finding the Fourth Proportional to 336,910.28, 505,002.54 and 178,979.72

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Solution

The fourth proportional to 336,910.28, 505,002.54 and 178,979.72 is: 268,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,910.28 : 505,002.54 = 178,979.72 : x
  2. Step 2: Convert to fraction form
    336,910.28/505,002.54 = 178,979.72/x
  3. Step 3: Cross multiply
    336,910.28x = 505,002.54 × 178,979.72
  4. Step 4: Simplify right side
    336,910.28x = 90,385,213,208.49
  5. Step 5: Solve for x
    x = 90,385,213,208.49/336,910.28
  6. Step 6: Final answer
    x = 268,276.80

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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.