Home / 268,331.54-369,907.31-187,508.21

Finding the Fourth Proportional to 268,331.54, 369,907.31 and 187,508.21

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Solution

The fourth proportional to 268,331.54, 369,907.31 and 187,508.21 is: 258,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,331.54 : 369,907.31 = 187,508.21 : x
  2. Step 2: Convert to fraction form
    268,331.54/369,907.31 = 187,508.21/x
  3. Step 3: Cross multiply
    268,331.54x = 369,907.31 × 187,508.21
  4. Step 4: Simplify right side
    268,331.54x = 69,360,656,183.25
  5. Step 5: Solve for x
    x = 69,360,656,183.25/268,331.54
  6. Step 6: Final answer
    x = 258,488.65

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1.5x scale

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.