Home / 336,913.28-505,007.04-178,982.72

Finding the Fourth Proportional to 336,913.28, 505,007.04 and 178,982.72

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Solution

The fourth proportional to 336,913.28, 505,007.04 and 178,982.72 is: 268,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,913.28 : 505,007.04 = 178,982.72 : x
  2. Step 2: Convert to fraction form
    336,913.28/505,007.04 = 178,982.72/x
  3. Step 3: Cross multiply
    336,913.28x = 505,007.04 × 178,982.72
  4. Step 4: Simplify right side
    336,913.28x = 90,387,533,638.35
  5. Step 5: Solve for x
    x = 90,387,533,638.35/336,913.28
  6. Step 6: Final answer
    x = 268,281.30

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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.