Home / 313,981.45-433,417.66-222,578.48

Finding the Fourth Proportional to 313,981.45, 433,417.66 and 222,578.48

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Solution

The fourth proportional to 313,981.45, 433,417.66 and 222,578.48 is: 307,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,981.45 : 433,417.66 = 222,578.48 : x
  2. Step 2: Convert to fraction form
    313,981.45/433,417.66 = 222,578.48/x
  3. Step 3: Cross multiply
    313,981.45x = 433,417.66 × 222,578.48
  4. Step 4: Simplify right side
    313,981.45x = 96,469,444,495.05
  5. Step 5: Solve for x
    x = 96,469,444,495.05/313,981.45
  6. Step 6: Final answer
    x = 307,245.68

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1.5x scale

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.