Home / 286,184.81-394,915.28-158,850.38

Finding the Fourth Proportional to 286,184.81, 394,915.28 and 158,850.38

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Solution

The fourth proportional to 286,184.81, 394,915.28 and 158,850.38 is: 219,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,184.81 : 394,915.28 = 158,850.38 : x
  2. Step 2: Convert to fraction form
    286,184.81/394,915.28 = 158,850.38/x
  3. Step 3: Cross multiply
    286,184.81x = 394,915.28 × 158,850.38
  4. Step 4: Simplify right side
    286,184.81x = 62,732,439,526.98
  5. Step 5: Solve for x
    x = 62,732,439,526.98/286,184.81
  6. Step 6: Final answer
    x = 219,202.55

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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.