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Finding the Fourth Proportional to 485,848.52, 728,751.84 and 166,028.96

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Solution

The fourth proportional to 485,848.52, 728,751.84 and 166,028.96 is: 249,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,848.52 : 728,751.84 = 166,028.96 : x
  2. Step 2: Convert to fraction form
    485,848.52/728,751.84 = 166,028.96/x
  3. Step 3: Cross multiply
    485,848.52x = 728,751.84 × 166,028.96
  4. Step 4: Simplify right side
    485,848.52x = 120,993,910,093.29
  5. Step 5: Solve for x
    x = 120,993,910,093.29/485,848.52
  6. Step 6: Final answer
    x = 249,036.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.