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Finding the Fourth Proportional to 460,871.57, 636,040.67 and 254,180.41

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Solution

The fourth proportional to 460,871.57, 636,040.67 and 254,180.41 is: 350,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,871.57 : 636,040.67 = 254,180.41 : x
  2. Step 2: Convert to fraction form
    460,871.57/636,040.67 = 254,180.41/x
  3. Step 3: Cross multiply
    460,871.57x = 636,040.67 × 254,180.41
  4. Step 4: Simplify right side
    460,871.57x = 161,669,075,416.27
  5. Step 5: Solve for x
    x = 161,669,075,416.27/460,871.57
  6. Step 6: Final answer
    x = 350,789.86

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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.