Home / 204,676.84-306,988.38-64,436.20

Finding the Fourth Proportional to 204,676.84, 306,988.38 and 64,436.20

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Solution

The fourth proportional to 204,676.84, 306,988.38 and 64,436.20 is: 96,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,676.84 : 306,988.38 = 64,436.20 : x
  2. Step 2: Convert to fraction form
    204,676.84/306,988.38 = 64,436.20/x
  3. Step 3: Cross multiply
    204,676.84x = 306,988.38 × 64,436.20
  4. Step 4: Simplify right side
    204,676.84x = 19,781,164,651.36
  5. Step 5: Solve for x
    x = 19,781,164,651.36/204,676.84
  6. Step 6: Final answer
    x = 96,645.84

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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.