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Finding the Fourth Proportional to 450,333.98, 675,314.06 and 166,040.79

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Solution

The fourth proportional to 450,333.98, 675,314.06 and 166,040.79 is: 248,992.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,333.98 : 675,314.06 = 166,040.79 : x
  2. Step 2: Convert to fraction form
    450,333.98/675,314.06 = 166,040.79/x
  3. Step 3: Cross multiply
    450,333.98x = 675,314.06 × 166,040.79
  4. Step 4: Simplify right side
    450,333.98x = 112,129,677,591.86
  5. Step 5: Solve for x
    x = 112,129,677,591.86/450,333.98
  6. Step 6: Final answer
    x = 248,992.27

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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.