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Finding the Fourth Proportional to 315,058.90, 434,654.26 and 182,364.43

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Solution

The fourth proportional to 315,058.90, 434,654.26 and 182,364.43 is: 251,589.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,058.90 : 434,654.26 = 182,364.43 : x
  2. Step 2: Convert to fraction form
    315,058.90/434,654.26 = 182,364.43/x
  3. Step 3: Cross multiply
    315,058.90x = 434,654.26 × 182,364.43
  4. Step 4: Simplify right side
    315,058.90x = 79,265,476,371.97
  5. Step 5: Solve for x
    x = 79,265,476,371.97/315,058.90
  6. Step 6: Final answer
    x = 251,589.39

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1.5x scale

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.