Home / 280,194.08-386,665.97-159,335.37

Finding the Fourth Proportional to 280,194.08, 386,665.97 and 159,335.37

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Solution

The fourth proportional to 280,194.08, 386,665.97 and 159,335.37 is: 219,881.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,194.08 : 386,665.97 = 159,335.37 : x
  2. Step 2: Convert to fraction form
    280,194.08/386,665.97 = 159,335.37/x
  3. Step 3: Cross multiply
    280,194.08x = 386,665.97 × 159,335.37
  4. Step 4: Simplify right side
    280,194.08x = 61,609,564,599.68
  5. Step 5: Solve for x
    x = 61,609,564,599.68/280,194.08
  6. Step 6: Final answer
    x = 219,881.75

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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.