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Finding the Fourth Proportional to 222,220, 333,364.63 and 72,425.54

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Solution

The fourth proportional to 222,220, 333,364.63 and 72,425.54 is: 108,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,220 : 333,364.63 = 72,425.54 : x
  2. Step 2: Convert to fraction form
    222,220/333,364.63 = 72,425.54/x
  3. Step 3: Cross multiply
    222,220x = 333,364.63 × 72,425.54
  4. Step 4: Simplify right side
    222,220x = 24,144,111,315.70
  5. Step 5: Solve for x
    x = 24,144,111,315.70/222,220
  6. Step 6: Final answer
    x = 108,649.59

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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.