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Finding the Fourth Proportional to 222,611.75, 307,250.58 and 204,678.35

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Solution

The fourth proportional to 222,611.75, 307,250.58 and 204,678.35 is: 282,498.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,611.75 : 307,250.58 = 204,678.35 : x
  2. Step 2: Convert to fraction form
    222,611.75/307,250.58 = 204,678.35/x
  3. Step 3: Cross multiply
    222,611.75x = 307,250.58 × 204,678.35
  4. Step 4: Simplify right side
    222,611.75x = 62,887,541,750.94
  5. Step 5: Solve for x
    x = 62,887,541,750.94/222,611.75
  6. Step 6: Final answer
    x = 282,498.75

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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.