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Finding the Fourth Proportional to 308,602.32, 463,078.32 and 121,745.04

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Solution

The fourth proportional to 308,602.32, 463,078.32 and 121,745.04 is: 182,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,602.32 : 463,078.32 = 121,745.04 : x
  2. Step 2: Convert to fraction form
    308,602.32/463,078.32 = 121,745.04/x
  3. Step 3: Cross multiply
    308,602.32x = 463,078.32 × 121,745.04
  4. Step 4: Simplify right side
    308,602.32x = 56,377,488,591.53
  5. Step 5: Solve for x
    x = 56,377,488,591.53/308,602.32
  6. Step 6: Final answer
    x = 182,686.54

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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.