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Finding the Fourth Proportional to 381,954.24, 526,912.56 and 254,466.72

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Solution

The fourth proportional to 381,954.24, 526,912.56 and 254,466.72 is: 351,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,954.24 : 526,912.56 = 254,466.72 : x
  2. Step 2: Convert to fraction form
    381,954.24/526,912.56 = 254,466.72/x
  3. Step 3: Cross multiply
    381,954.24x = 526,912.56 × 254,466.72
  4. Step 4: Simplify right side
    381,954.24x = 134,081,710,870.00
  5. Step 5: Solve for x
    x = 134,081,710,870.00/381,954.24
  6. Step 6: Final answer
    x = 351,041.29

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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.