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Finding the Fourth Proportional to 203,577.60, 304,905.60 and 120,633.60

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Solution

The fourth proportional to 203,577.60, 304,905.60 and 120,633.60 is: 180,677.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,577.60 : 304,905.60 = 120,633.60 : x
  2. Step 2: Convert to fraction form
    203,577.60/304,905.60 = 120,633.60/x
  3. Step 3: Cross multiply
    203,577.60x = 304,905.60 × 120,633.60
  4. Step 4: Simplify right side
    203,577.60x = 36,781,860,188.16
  5. Step 5: Solve for x
    x = 36,781,860,188.16/203,577.60
  6. Step 6: Final answer
    x = 180,677.34

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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.