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Finding the Fourth Proportional to 342,567.67, 472,744.31 and 189,616.39

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Solution

The fourth proportional to 342,567.67, 472,744.31 and 189,616.39 is: 261,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,567.67 : 472,744.31 = 189,616.39 : x
  2. Step 2: Convert to fraction form
    342,567.67/472,744.31 = 189,616.39/x
  3. Step 3: Cross multiply
    342,567.67x = 472,744.31 × 189,616.39
  4. Step 4: Simplify right side
    342,567.67x = 89,640,069,455.24
  5. Step 5: Solve for x
    x = 89,640,069,455.24/342,567.67
  6. Step 6: Final answer
    x = 261,671.13

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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.