Home / 347,910.28-480,210.78-204,716.50

Finding the Fourth Proportional to 347,910.28, 480,210.78 and 204,716.50

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Solution

The fourth proportional to 347,910.28, 480,210.78 and 204,716.50 is: 282,564.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,910.28 : 480,210.78 = 204,716.50 : x
  2. Step 2: Convert to fraction form
    347,910.28/480,210.78 = 204,716.50/x
  3. Step 3: Cross multiply
    347,910.28x = 480,210.78 × 204,716.50
  4. Step 4: Simplify right side
    347,910.28x = 98,307,070,143.87
  5. Step 5: Solve for x
    x = 98,307,070,143.87/347,910.28
  6. Step 6: Final answer
    x = 282,564.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.