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Finding the Fourth Proportional to 537,968.88, 806,288.16 and 271,805.04

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Solution

The fourth proportional to 537,968.88, 806,288.16 and 271,805.04 is: 407,371.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,968.88 : 806,288.16 = 271,805.04 : x
  2. Step 2: Convert to fraction form
    537,968.88/806,288.16 = 271,805.04/x
  3. Step 3: Cross multiply
    537,968.88x = 806,288.16 × 271,805.04
  4. Step 4: Simplify right side
    537,968.88x = 219,153,185,580.33
  5. Step 5: Solve for x
    x = 219,153,185,580.33/537,968.88
  6. Step 6: Final answer
    x = 407,371.49

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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.