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Finding the Fourth Proportional to 341,523, 471,306.60 and 190,620

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Solution

The fourth proportional to 341,523, 471,306.60 and 190,620 is: 263,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,523 : 471,306.60 = 190,620 : x
  2. Step 2: Convert to fraction form
    341,523/471,306.60 = 190,620/x
  3. Step 3: Cross multiply
    341,523x = 471,306.60 × 190,620
  4. Step 4: Simplify right side
    341,523x = 89,840,464,092
  5. Step 5: Solve for x
    x = 89,840,464,092/341,523
  6. Step 6: Final answer
    x = 263,058.31

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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.