Home / 274,334.32-411,498.52-208,180.72

Finding the Fourth Proportional to 274,334.32, 411,498.52 and 208,180.72

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Solution

The fourth proportional to 274,334.32, 411,498.52 and 208,180.72 is: 312,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,334.32 : 411,498.52 = 208,180.72 : x
  2. Step 2: Convert to fraction form
    274,334.32/411,498.52 = 208,180.72/x
  3. Step 3: Cross multiply
    274,334.32x = 411,498.52 × 208,180.72
  4. Step 4: Simplify right side
    274,334.32x = 85,666,058,172.53
  5. Step 5: Solve for x
    x = 85,666,058,172.53/274,334.32
  6. Step 6: Final answer
    x = 312,268.83

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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.