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Finding the Fourth Proportional to 492,601.98, 738,673.32 and 255,881.10

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Solution

The fourth proportional to 492,601.98, 738,673.32 and 255,881.10 is: 383,702.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,601.98 : 738,673.32 = 255,881.10 : x
  2. Step 2: Convert to fraction form
    492,601.98/738,673.32 = 255,881.10/x
  3. Step 3: Cross multiply
    492,601.98x = 738,673.32 × 255,881.10
  4. Step 4: Simplify right side
    492,601.98x = 189,012,541,662.25
  5. Step 5: Solve for x
    x = 189,012,541,662.25/492,601.98
  6. Step 6: Final answer
    x = 383,702.36

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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.