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Finding the Fourth Proportional to 222,930.39, 305,752.36 and 213,775.40

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Solution

The fourth proportional to 222,930.39, 305,752.36 and 213,775.40 is: 293,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,930.39 : 305,752.36 = 213,775.40 : x
  2. Step 2: Convert to fraction form
    222,930.39/305,752.36 = 213,775.40/x
  3. Step 3: Cross multiply
    222,930.39x = 305,752.36 × 213,775.40
  4. Step 4: Simplify right side
    222,930.39x = 65,362,334,291.96
  5. Step 5: Solve for x
    x = 65,362,334,291.96/222,930.39
  6. Step 6: Final answer
    x = 293,196.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.