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Finding the Fourth Proportional to 466,111.44, 643,238.28 and 264,908.88

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Solution

The fourth proportional to 466,111.44, 643,238.28 and 264,908.88 is: 365,576.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,111.44 : 643,238.28 = 264,908.88 : x
  2. Step 2: Convert to fraction form
    466,111.44/643,238.28 = 264,908.88/x
  3. Step 3: Cross multiply
    466,111.44x = 643,238.28 × 264,908.88
  4. Step 4: Simplify right side
    466,111.44x = 170,399,532,327.93
  5. Step 5: Solve for x
    x = 170,399,532,327.93/466,111.44
  6. Step 6: Final answer
    x = 365,576.81

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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.