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Finding the Fourth Proportional to 537,720.20, 806,580.30 and 163,694.60

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Solution

The fourth proportional to 537,720.20, 806,580.30 and 163,694.60 is: 245,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,720.20 : 806,580.30 = 163,694.60 : x
  2. Step 2: Convert to fraction form
    537,720.20/806,580.30 = 163,694.60/x
  3. Step 3: Cross multiply
    537,720.20x = 806,580.30 × 163,694.60
  4. Step 4: Simplify right side
    537,720.20x = 132,032,839,576.38
  5. Step 5: Solve for x
    x = 132,032,839,576.38/537,720.20
  6. Step 6: Final answer
    x = 245,541.90

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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.