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Finding the Fourth Proportional to 546,702.57, 820,059.26 and 191,725.11

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Solution

The fourth proportional to 546,702.57, 820,059.26 and 191,725.11 is: 287,589.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,702.57 : 820,059.26 = 191,725.11 : x
  2. Step 2: Convert to fraction form
    546,702.57/820,059.26 = 191,725.11/x
  3. Step 3: Cross multiply
    546,702.57x = 820,059.26 × 191,725.11
  4. Step 4: Simplify right side
    546,702.57x = 157,225,950,871.39
  5. Step 5: Solve for x
    x = 157,225,950,871.39/546,702.57
  6. Step 6: Final answer
    x = 287,589.56

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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.