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Finding the Fourth Proportional to 147,394.62, 221,138.65 and 52,622.73

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Solution

The fourth proportional to 147,394.62, 221,138.65 and 52,622.73 is: 78,950.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,394.62 : 221,138.65 = 52,622.73 : x
  2. Step 2: Convert to fraction form
    147,394.62/221,138.65 = 52,622.73/x
  3. Step 3: Cross multiply
    147,394.62x = 221,138.65 × 52,622.73
  4. Step 4: Simplify right side
    147,394.62x = 11,636,919,471.51
  5. Step 5: Solve for x
    x = 11,636,919,471.51/147,394.62
  6. Step 6: Final answer
    x = 78,950.77

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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.