Home / 286,001.39-394,676.66-158,674.25

Finding the Fourth Proportional to 286,001.39, 394,676.66 and 158,674.25

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Solution

The fourth proportional to 286,001.39, 394,676.66 and 158,674.25 is: 218,967.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,001.39 : 394,676.66 = 158,674.25 : x
  2. Step 2: Convert to fraction form
    286,001.39/394,676.66 = 158,674.25/x
  3. Step 3: Cross multiply
    286,001.39x = 394,676.66 × 158,674.25
  4. Step 4: Simplify right side
    286,001.39x = 62,625,020,251.25
  5. Step 5: Solve for x
    x = 62,625,020,251.25/286,001.39
  6. Step 6: Final answer
    x = 218,967.54

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1.5x scale

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.