Home / 204,189.71-306,299.16-54,429.23

Finding the Fourth Proportional to 204,189.71, 306,299.16 and 54,429.23

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Solution

The fourth proportional to 204,189.71, 306,299.16 and 54,429.23 is: 81,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,189.71 : 306,299.16 = 54,429.23 : x
  2. Step 2: Convert to fraction form
    204,189.71/306,299.16 = 54,429.23/x
  3. Step 3: Cross multiply
    204,189.71x = 306,299.16 × 54,429.23
  4. Step 4: Simplify right side
    204,189.71x = 16,671,627,428.45
  5. Step 5: Solve for x
    x = 16,671,627,428.45/204,189.71
  6. Step 6: Final answer
    x = 81,647.74

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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.