Home / 285,919.95-394,569.92-158,595.54

Finding the Fourth Proportional to 285,919.95, 394,569.92 and 158,595.54

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Solution

The fourth proportional to 285,919.95, 394,569.92 and 158,595.54 is: 218,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,919.95 : 394,569.92 = 158,595.54 : x
  2. Step 2: Convert to fraction form
    285,919.95/394,569.92 = 158,595.54/x
  3. Step 3: Cross multiply
    285,919.95x = 394,569.92 × 158,595.54
  4. Step 4: Simplify right side
    285,919.95x = 62,577,029,530.16
  5. Step 5: Solve for x
    x = 62,577,029,530.16/285,919.95
  6. Step 6: Final answer
    x = 218,862.06

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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.