Home / 204,428.90-306,643.35-92,235.80

Finding the Fourth Proportional to 204,428.90, 306,643.35 and 92,235.80

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Solution

The fourth proportional to 204,428.90, 306,643.35 and 92,235.80 is: 138,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,428.90 : 306,643.35 = 92,235.80 : x
  2. Step 2: Convert to fraction form
    204,428.90/306,643.35 = 92,235.80/x
  3. Step 3: Cross multiply
    204,428.90x = 306,643.35 × 92,235.80
  4. Step 4: Simplify right side
    204,428.90x = 28,283,494,701.93
  5. Step 5: Solve for x
    x = 28,283,494,701.93/204,428.90
  6. Step 6: Final answer
    x = 138,353.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.