Home / 293,625.90-405,184.32-172,743.75

Finding the Fourth Proportional to 293,625.90, 405,184.32 and 172,743.75

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Solution

The fourth proportional to 293,625.90, 405,184.32 and 172,743.75 is: 238,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,625.90 : 405,184.32 = 172,743.75 : x
  2. Step 2: Convert to fraction form
    293,625.90/405,184.32 = 172,743.75/x
  3. Step 3: Cross multiply
    293,625.90x = 405,184.32 × 172,743.75
  4. Step 4: Simplify right side
    293,625.90x = 69,993,058,878
  5. Step 5: Solve for x
    x = 69,993,058,878/293,625.90
  6. Step 6: Final answer
    x = 238,374.95

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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.