Home / 280,118.27-386,537.23-159,235.95

Finding the Fourth Proportional to 280,118.27, 386,537.23 and 159,235.95

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Solution

The fourth proportional to 280,118.27, 386,537.23 and 159,235.95 is: 219,730.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,118.27 : 386,537.23 = 159,235.95 : x
  2. Step 2: Convert to fraction form
    280,118.27/386,537.23 = 159,235.95/x
  3. Step 3: Cross multiply
    280,118.27x = 386,537.23 × 159,235.95
  4. Step 4: Simplify right side
    280,118.27x = 61,550,622,631.33
  5. Step 5: Solve for x
    x = 61,550,622,631.33/280,118.27
  6. Step 6: Final answer
    x = 219,730.84

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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.