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Finding the Fourth Proportional to 342,825.39, 472,942.02 and 222,005.58

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Solution

The fourth proportional to 342,825.39, 472,942.02 and 222,005.58 is: 306,266.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,825.39 : 472,942.02 = 222,005.58 : x
  2. Step 2: Convert to fraction form
    342,825.39/472,942.02 = 222,005.58/x
  3. Step 3: Cross multiply
    342,825.39x = 472,942.02 × 222,005.58
  4. Step 4: Simplify right side
    342,825.39x = 104,995,767,456.47
  5. Step 5: Solve for x
    x = 104,995,767,456.47/342,825.39
  6. Step 6: Final answer
    x = 306,266.02

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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.