Home / 222,210.14-306,650.81-205,257.65

Finding the Fourth Proportional to 222,210.14, 306,650.81 and 205,257.65

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Solution

The fourth proportional to 222,210.14, 306,650.81 and 205,257.65 is: 283,256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,210.14 : 306,650.81 = 205,257.65 : x
  2. Step 2: Convert to fraction form
    222,210.14/306,650.81 = 205,257.65/x
  3. Step 3: Cross multiply
    222,210.14x = 306,650.81 × 205,257.65
  4. Step 4: Simplify right side
    222,210.14x = 62,942,423,611.09
  5. Step 5: Solve for x
    x = 62,942,423,611.09/222,210.14
  6. Step 6: Final answer
    x = 283,256.31

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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.