Home / 278,064.14-383,357.41-220,893.23

Finding the Fourth Proportional to 278,064.14, 383,357.41 and 220,893.23

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Solution

The fourth proportional to 278,064.14, 383,357.41 and 220,893.23 is: 304,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,064.14 : 383,357.41 = 220,893.23 : x
  2. Step 2: Convert to fraction form
    278,064.14/383,357.41 = 220,893.23/x
  3. Step 3: Cross multiply
    278,064.14x = 383,357.41 × 220,893.23
  4. Step 4: Simplify right side
    278,064.14x = 84,681,054,789.11
  5. Step 5: Solve for x
    x = 84,681,054,789.11/278,064.14
  6. Step 6: Final answer
    x = 304,537.85

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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.