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Finding the Fourth Proportional to 492,232.94, 679,281.56 and 265,878.44

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Solution

The fourth proportional to 492,232.94, 679,281.56 and 265,878.44 is: 366,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,232.94 : 679,281.56 = 265,878.44 : x
  2. Step 2: Convert to fraction form
    492,232.94/679,281.56 = 265,878.44/x
  3. Step 3: Cross multiply
    492,232.94x = 679,281.56 × 265,878.44
  4. Step 4: Simplify right side
    492,232.94x = 180,606,321,493.57
  5. Step 5: Solve for x
    x = 180,606,321,493.57/492,232.94
  6. Step 6: Final answer
    x = 366,912.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.