Home / 286,169.10-394,931.28-158,846.82

Finding the Fourth Proportional to 286,169.10, 394,931.28 and 158,846.82

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Solution

The fourth proportional to 286,169.10, 394,931.28 and 158,846.82 is: 219,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,169.10 : 394,931.28 = 158,846.82 : x
  2. Step 2: Convert to fraction form
    286,169.10/394,931.28 = 158,846.82/x
  3. Step 3: Cross multiply
    286,169.10x = 394,931.28 × 158,846.82
  4. Step 4: Simplify right side
    286,169.10x = 62,733,577,946.53
  5. Step 5: Solve for x
    x = 62,733,577,946.53/286,169.10
  6. Step 6: Final answer
    x = 219,218.56

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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.