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Finding the Fourth Proportional to 550,381.77, 825,833.56 and 265,912.88

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Solution

The fourth proportional to 550,381.77, 825,833.56 and 265,912.88 is: 398,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,381.77 : 825,833.56 = 265,912.88 : x
  2. Step 2: Convert to fraction form
    550,381.77/825,833.56 = 265,912.88/x
  3. Step 3: Cross multiply
    550,381.77x = 825,833.56 × 265,912.88
  4. Step 4: Simplify right side
    550,381.77x = 219,599,774,881.52
  5. Step 5: Solve for x
    x = 219,599,774,881.52/550,381.77
  6. Step 6: Final answer
    x = 398,995.36

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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.