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Finding the Fourth Proportional to 222,597.96, 333,912.20 and 89,478.32

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Solution

The fourth proportional to 222,597.96, 333,912.20 and 89,478.32 is: 134,223.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,597.96 : 333,912.20 = 89,478.32 : x
  2. Step 2: Convert to fraction form
    222,597.96/333,912.20 = 89,478.32/x
  3. Step 3: Cross multiply
    222,597.96x = 333,912.20 × 89,478.32
  4. Step 4: Simplify right side
    222,597.96x = 29,877,902,683.50
  5. Step 5: Solve for x
    x = 29,877,902,683.50/222,597.96
  6. Step 6: Final answer
    x = 134,223.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.