Home / 286,148.35-394,919.72-158,864.95

Finding the Fourth Proportional to 286,148.35, 394,919.72 and 158,864.95

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Solution

The fourth proportional to 286,148.35, 394,919.72 and 158,864.95 is: 219,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,148.35 : 394,919.72 = 158,864.95 : x
  2. Step 2: Convert to fraction form
    286,148.35/394,919.72 = 158,864.95/x
  3. Step 3: Cross multiply
    286,148.35x = 394,919.72 × 158,864.95
  4. Step 4: Simplify right side
    286,148.35x = 62,738,901,571.81
  5. Step 5: Solve for x
    x = 62,738,901,571.81/286,148.35
  6. Step 6: Final answer
    x = 219,253.06

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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.