Home / 286,074.77-394,801.68-158,750.37

Finding the Fourth Proportional to 286,074.77, 394,801.68 and 158,750.37

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Solution

The fourth proportional to 286,074.77, 394,801.68 and 158,750.37 is: 219,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,074.77 : 394,801.68 = 158,750.37 : x
  2. Step 2: Convert to fraction form
    286,074.77/394,801.68 = 158,750.37/x
  3. Step 3: Cross multiply
    286,074.77x = 394,801.68 × 158,750.37
  4. Step 4: Simplify right side
    286,074.77x = 62,674,912,776.62
  5. Step 5: Solve for x
    x = 62,674,912,776.62/286,074.77
  6. Step 6: Final answer
    x = 219,085.77

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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.