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Finding the Fourth Proportional to 341,432.31, 471,208.59 and 255,241.94

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Solution

The fourth proportional to 341,432.31, 471,208.59 and 255,241.94 is: 352,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,432.31 : 471,208.59 = 255,241.94 : x
  2. Step 2: Convert to fraction form
    341,432.31/471,208.59 = 255,241.94/x
  3. Step 3: Cross multiply
    341,432.31x = 471,208.59 × 255,241.94
  4. Step 4: Simplify right side
    341,432.31x = 120,272,192,300.22
  5. Step 5: Solve for x
    x = 120,272,192,300.22/341,432.31
  6. Step 6: Final answer
    x = 352,257.79

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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.