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Finding the Fourth Proportional to 339,592.48, 468,617.04 and 188,684.32

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Solution

The fourth proportional to 339,592.48, 468,617.04 and 188,684.32 is: 260,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,592.48 : 468,617.04 = 188,684.32 : x
  2. Step 2: Convert to fraction form
    339,592.48/468,617.04 = 188,684.32/x
  3. Step 3: Cross multiply
    339,592.48x = 468,617.04 × 188,684.32
  4. Step 4: Simplify right side
    339,592.48x = 88,420,687,532.81
  5. Step 5: Solve for x
    x = 88,420,687,532.81/339,592.48
  6. Step 6: Final answer
    x = 260,372.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.