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Finding the Fourth Proportional to 222,364.58, 306,863.25 and 121,762.58

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Solution

The fourth proportional to 222,364.58, 306,863.25 and 121,762.58 is: 168,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,364.58 : 306,863.25 = 121,762.58 : x
  2. Step 2: Convert to fraction form
    222,364.58/306,863.25 = 121,762.58/x
  3. Step 3: Cross multiply
    222,364.58x = 306,863.25 × 121,762.58
  4. Step 4: Simplify right side
    222,364.58x = 37,364,461,027.19
  5. Step 5: Solve for x
    x = 37,364,461,027.19/222,364.58
  6. Step 6: Final answer
    x = 168,032.43

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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.