Home / 204,285.84-306,428.76-64,055.40

Finding the Fourth Proportional to 204,285.84, 306,428.76 and 64,055.40

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Solution

The fourth proportional to 204,285.84, 306,428.76 and 64,055.40 is: 96,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,285.84 : 306,428.76 = 64,055.40 : x
  2. Step 2: Convert to fraction form
    204,285.84/306,428.76 = 64,055.40/x
  3. Step 3: Cross multiply
    204,285.84x = 306,428.76 × 64,055.40
  4. Step 4: Simplify right side
    204,285.84x = 19,628,416,793.30
  5. Step 5: Solve for x
    x = 19,628,416,793.30/204,285.84
  6. Step 6: Final answer
    x = 96,083.10

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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.