Home / 215,288.78-322,867.48-173,068.74

Finding the Fourth Proportional to 215,288.78, 322,867.48 and 173,068.74

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Solution

The fourth proportional to 215,288.78, 322,867.48 and 173,068.74 is: 259,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,288.78 : 322,867.48 = 173,068.74 : x
  2. Step 2: Convert to fraction form
    215,288.78/322,867.48 = 173,068.74/x
  3. Step 3: Cross multiply
    215,288.78x = 322,867.48 × 173,068.74
  4. Step 4: Simplify right side
    215,288.78x = 55,878,267,950.58
  5. Step 5: Solve for x
    x = 55,878,267,950.58/215,288.78
  6. Step 6: Final answer
    x = 259,550.30

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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.