Home / 205,318.62-307,988.97-65,088.18

Finding the Fourth Proportional to 205,318.62, 307,988.97 and 65,088.18

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Solution

The fourth proportional to 205,318.62, 307,988.97 and 65,088.18 is: 97,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,318.62 : 307,988.97 = 65,088.18 : x
  2. Step 2: Convert to fraction form
    205,318.62/307,988.97 = 65,088.18/x
  3. Step 3: Cross multiply
    205,318.62x = 307,988.97 × 65,088.18
  4. Step 4: Simplify right side
    205,318.62x = 20,046,441,517.37
  5. Step 5: Solve for x
    x = 20,046,441,517.37/205,318.62
  6. Step 6: Final answer
    x = 97,635.77

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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.