Home / 336,914.28-505,008.54-178,983.72

Finding the Fourth Proportional to 336,914.28, 505,008.54 and 178,983.72

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Solution

The fourth proportional to 336,914.28, 505,008.54 and 178,983.72 is: 268,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,914.28 : 505,008.54 = 178,983.72 : x
  2. Step 2: Convert to fraction form
    336,914.28/505,008.54 = 178,983.72/x
  3. Step 3: Cross multiply
    336,914.28x = 505,008.54 × 178,983.72
  4. Step 4: Simplify right side
    336,914.28x = 90,388,307,120.97
  5. Step 5: Solve for x
    x = 90,388,307,120.97/336,914.28
  6. Step 6: Final answer
    x = 268,282.80

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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.