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Finding the Fourth Proportional to 365,631.82, 548,577.62 and 163,209.58

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Solution

The fourth proportional to 365,631.82, 548,577.62 and 163,209.58 is: 244,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,631.82 : 548,577.62 = 163,209.58 : x
  2. Step 2: Convert to fraction form
    365,631.82/548,577.62 = 163,209.58/x
  3. Step 3: Cross multiply
    365,631.82x = 548,577.62 × 163,209.58
  4. Step 4: Simplify right side
    365,631.82x = 89,533,121,994.18
  5. Step 5: Solve for x
    x = 89,533,121,994.18/365,631.82
  6. Step 6: Final answer
    x = 244,872.35

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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.