Home / 352,138.24-485,937.66-208,812.52

Finding the Fourth Proportional to 352,138.24, 485,937.66 and 208,812.52

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Solution

The fourth proportional to 352,138.24, 485,937.66 and 208,812.52 is: 288,153.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,138.24 : 485,937.66 = 208,812.52 : x
  2. Step 2: Convert to fraction form
    352,138.24/485,937.66 = 208,812.52/x
  3. Step 3: Cross multiply
    352,138.24x = 485,937.66 × 208,812.52
  4. Step 4: Simplify right side
    352,138.24x = 101,469,867,347.50
  5. Step 5: Solve for x
    x = 101,469,867,347.50/352,138.24
  6. Step 6: Final answer
    x = 288,153.50

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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.