Home / 319,171.29-440,443.12-173,973.87

Finding the Fourth Proportional to 319,171.29, 440,443.12 and 173,973.87

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Solution

The fourth proportional to 319,171.29, 440,443.12 and 173,973.87 is: 240,076.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,171.29 : 440,443.12 = 173,973.87 : x
  2. Step 2: Convert to fraction form
    319,171.29/440,443.12 = 173,973.87/x
  3. Step 3: Cross multiply
    319,171.29x = 440,443.12 × 173,973.87
  4. Step 4: Simplify right side
    319,171.29x = 76,625,594,101.27
  5. Step 5: Solve for x
    x = 76,625,594,101.27/319,171.29
  6. Step 6: Final answer
    x = 240,076.71

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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.