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Finding the Fourth Proportional to 295,097.92, 442,737.60 and 263,734.72

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Solution

The fourth proportional to 295,097.92, 442,737.60 and 263,734.72 is: 395,683.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,097.92 : 442,737.60 = 263,734.72 : x
  2. Step 2: Convert to fraction form
    295,097.92/442,737.60 = 263,734.72/x
  3. Step 3: Cross multiply
    295,097.92x = 442,737.60 × 263,734.72
  4. Step 4: Simplify right side
    295,097.92x = 116,765,276,969.47
  5. Step 5: Solve for x
    x = 116,765,276,969.47/295,097.92
  6. Step 6: Final answer
    x = 395,683.16

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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.