Home / 279,914.22-386,290.08-152,591.94

Finding the Fourth Proportional to 279,914.22, 386,290.08 and 152,591.94

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Solution

The fourth proportional to 279,914.22, 386,290.08 and 152,591.94 is: 210,581.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,914.22 : 386,290.08 = 152,591.94 : x
  2. Step 2: Convert to fraction form
    279,914.22/386,290.08 = 152,591.94/x
  3. Step 3: Cross multiply
    279,914.22x = 386,290.08 × 152,591.94
  4. Step 4: Simplify right side
    279,914.22x = 58,944,752,709.96
  5. Step 5: Solve for x
    x = 58,944,752,709.96/279,914.22
  6. Step 6: Final answer
    x = 210,581.49

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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.