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Finding the Fourth Proportional to 537,857.21, 806,597.73 and 158,677.25

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Solution

The fourth proportional to 537,857.21, 806,597.73 and 158,677.25 is: 237,960.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,857.21 : 806,597.73 = 158,677.25 : x
  2. Step 2: Convert to fraction form
    537,857.21/806,597.73 = 158,677.25/x
  3. Step 3: Cross multiply
    537,857.21x = 806,597.73 × 158,677.25
  4. Step 4: Simplify right side
    537,857.21x = 127,988,705,619.65
  5. Step 5: Solve for x
    x = 127,988,705,619.65/537,857.21
  6. Step 6: Final answer
    x = 237,960.38

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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.