Home / 268,039.02-369,907.38-147,179.46

Finding the Fourth Proportional to 268,039.02, 369,907.38 and 147,179.46

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Solution

The fourth proportional to 268,039.02, 369,907.38 and 147,179.46 is: 203,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,039.02 : 369,907.38 = 147,179.46 : x
  2. Step 2: Convert to fraction form
    268,039.02/369,907.38 = 147,179.46/x
  3. Step 3: Cross multiply
    268,039.02x = 369,907.38 × 147,179.46
  4. Step 4: Simplify right side
    268,039.02x = 54,442,768,438.41
  5. Step 5: Solve for x
    x = 54,442,768,438.41/268,039.02
  6. Step 6: Final answer
    x = 203,115.09

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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.