Home / 286,081.62-394,779.33-158,756.10

Finding the Fourth Proportional to 286,081.62, 394,779.33 and 158,756.10

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Solution

The fourth proportional to 286,081.62, 394,779.33 and 158,756.10 is: 219,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,081.62 : 394,779.33 = 158,756.10 : x
  2. Step 2: Convert to fraction form
    286,081.62/394,779.33 = 158,756.10/x
  3. Step 3: Cross multiply
    286,081.62x = 394,779.33 × 158,756.10
  4. Step 4: Simplify right side
    286,081.62x = 62,673,626,791.41
  5. Step 5: Solve for x
    x = 62,673,626,791.41/286,081.62
  6. Step 6: Final answer
    x = 219,076.03

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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.