Home / 336,979.29-505,299.92-112,260.72

Finding the Fourth Proportional to 336,979.29, 505,299.92 and 112,260.72

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Solution

The fourth proportional to 336,979.29, 505,299.92 and 112,260.72 is: 168,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,979.29 : 505,299.92 = 112,260.72 : x
  2. Step 2: Convert to fraction form
    336,979.29/505,299.92 = 112,260.72/x
  3. Step 3: Cross multiply
    336,979.29x = 505,299.92 × 112,260.72
  4. Step 4: Simplify right side
    336,979.29x = 56,725,332,273.84
  5. Step 5: Solve for x
    x = 56,725,332,273.84/336,979.29
  6. Step 6: Final answer
    x = 168,334.77

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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.