Home / 426,316.44-638,919.33-173,301.39

Finding the Fourth Proportional to 426,316.44, 638,919.33 and 173,301.39

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Solution

The fourth proportional to 426,316.44, 638,919.33 and 173,301.39 is: 259,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,316.44 : 638,919.33 = 173,301.39 : x
  2. Step 2: Convert to fraction form
    426,316.44/638,919.33 = 173,301.39/x
  3. Step 3: Cross multiply
    426,316.44x = 638,919.33 × 173,301.39
  4. Step 4: Simplify right side
    426,316.44x = 110,725,605,372.66
  5. Step 5: Solve for x
    x = 110,725,605,372.66/426,316.44
  6. Step 6: Final answer
    x = 259,726.33

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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.