Home / 286,066.08-394,775.52-158,749.92

Finding the Fourth Proportional to 286,066.08, 394,775.52 and 158,749.92

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Solution

The fourth proportional to 286,066.08, 394,775.52 and 158,749.92 is: 219,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,066.08 : 394,775.52 = 158,749.92 : x
  2. Step 2: Convert to fraction form
    286,066.08/394,775.52 = 158,749.92/x
  3. Step 3: Cross multiply
    286,066.08x = 394,775.52 × 158,749.92
  4. Step 4: Simplify right side
    286,066.08x = 62,670,582,217.96
  5. Step 5: Solve for x
    x = 62,670,582,217.96/286,066.08
  6. Step 6: Final answer
    x = 219,077.29

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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.