Home / 336,911.28-505,004.04-178,980.72

Finding the Fourth Proportional to 336,911.28, 505,004.04 and 178,980.72

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Solution

The fourth proportional to 336,911.28, 505,004.04 and 178,980.72 is: 268,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,911.28 : 505,004.04 = 178,980.72 : x
  2. Step 2: Convert to fraction form
    336,911.28/505,004.04 = 178,980.72/x
  3. Step 3: Cross multiply
    336,911.28x = 505,004.04 × 178,980.72
  4. Step 4: Simplify right side
    336,911.28x = 90,385,986,682.11
  5. Step 5: Solve for x
    x = 90,385,986,682.11/336,911.28
  6. Step 6: Final answer
    x = 268,278.30

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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.