Home / 348,489.87-481,075.38-267,889.20

Finding the Fourth Proportional to 348,489.87, 481,075.38 and 267,889.20

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Solution

The fourth proportional to 348,489.87, 481,075.38 and 267,889.20 is: 369,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,489.87 : 481,075.38 = 267,889.20 : x
  2. Step 2: Convert to fraction form
    348,489.87/481,075.38 = 267,889.20/x
  3. Step 3: Cross multiply
    348,489.87x = 481,075.38 × 267,889.20
  4. Step 4: Simplify right side
    348,489.87x = 128,874,898,687.90
  5. Step 5: Solve for x
    x = 128,874,898,687.90/348,489.87
  6. Step 6: Final answer
    x = 369,809.60

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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.