Home / 481,112.28-663,907.50-266,239.80

Finding the Fourth Proportional to 481,112.28, 663,907.50 and 266,239.80

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Solution

The fourth proportional to 481,112.28, 663,907.50 and 266,239.80 is: 367,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,112.28 : 663,907.50 = 266,239.80 : x
  2. Step 2: Convert to fraction form
    481,112.28/663,907.50 = 266,239.80/x
  3. Step 3: Cross multiply
    481,112.28x = 663,907.50 × 266,239.80
  4. Step 4: Simplify right side
    481,112.28x = 176,758,600,018.50
  5. Step 5: Solve for x
    x = 176,758,600,018.50/481,112.28
  6. Step 6: Final answer
    x = 367,395.74

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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.