Home / 537,631.80-806,447.70-163,654.20

Finding the Fourth Proportional to 537,631.80, 806,447.70 and 163,654.20

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Solution

The fourth proportional to 537,631.80, 806,447.70 and 163,654.20 is: 245,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,631.80 : 806,447.70 = 163,654.20 : x
  2. Step 2: Convert to fraction form
    537,631.80/806,447.70 = 163,654.20/x
  3. Step 3: Cross multiply
    537,631.80x = 806,447.70 × 163,654.20
  4. Step 4: Simplify right side
    537,631.80x = 131,978,553,185.34
  5. Step 5: Solve for x
    x = 131,978,553,185.34/537,631.80
  6. Step 6: Final answer
    x = 245,481.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.