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Finding the Fourth Proportional to 223,848.96, 335,890.04 and 99,160.80

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Solution

The fourth proportional to 223,848.96, 335,890.04 and 99,160.80 is: 148,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,848.96 : 335,890.04 = 99,160.80 : x
  2. Step 2: Convert to fraction form
    223,848.96/335,890.04 = 99,160.80/x
  3. Step 3: Cross multiply
    223,848.96x = 335,890.04 × 99,160.80
  4. Step 4: Simplify right side
    223,848.96x = 33,307,125,078.43
  5. Step 5: Solve for x
    x = 33,307,125,078.43/223,848.96
  6. Step 6: Final answer
    x = 148,792.85

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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.