Home / 286,119.48-394,826.22-158,788.92

Finding the Fourth Proportional to 286,119.48, 394,826.22 and 158,788.92

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Solution

The fourth proportional to 286,119.48, 394,826.22 and 158,788.92 is: 219,118.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,119.48 : 394,826.22 = 158,788.92 : x
  2. Step 2: Convert to fraction form
    286,119.48/394,826.22 = 158,788.92/x
  3. Step 3: Cross multiply
    286,119.48x = 394,826.22 × 158,788.92
  4. Step 4: Simplify right side
    286,119.48x = 62,694,029,061.48
  5. Step 5: Solve for x
    x = 62,694,029,061.48/286,119.48
  6. Step 6: Final answer
    x = 219,118.35

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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.