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Finding the Fourth Proportional to 295,474.60, 442,920.30 and 145,592.20

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Solution

The fourth proportional to 295,474.60, 442,920.30 and 145,592.20 is: 218,244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,474.60 : 442,920.30 = 145,592.20 : x
  2. Step 2: Convert to fraction form
    295,474.60/442,920.30 = 145,592.20/x
  3. Step 3: Cross multiply
    295,474.60x = 442,920.30 × 145,592.20
  4. Step 4: Simplify right side
    295,474.60x = 64,485,740,901.66
  5. Step 5: Solve for x
    x = 64,485,740,901.66/295,474.60
  6. Step 6: Final answer
    x = 218,244.62

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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.