Home / 316,979.43-437,429.00-173,739.15

Finding the Fourth Proportional to 316,979.43, 437,429.00 and 173,739.15

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Solution

The fourth proportional to 316,979.43, 437,429.00 and 173,739.15 is: 239,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,979.43 : 437,429.00 = 173,739.15 : x
  2. Step 2: Convert to fraction form
    316,979.43/437,429.00 = 173,739.15/x
  3. Step 3: Cross multiply
    316,979.43x = 437,429.00 × 173,739.15
  4. Step 4: Simplify right side
    316,979.43x = 75,998,541,776.65
  5. Step 5: Solve for x
    x = 75,998,541,776.65/316,979.43
  6. Step 6: Final answer
    x = 239,758.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.