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Finding the Fourth Proportional to 222,524.40, 333,828.70 and 89,415.06

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Solution

The fourth proportional to 222,524.40, 333,828.70 and 89,415.06 is: 134,139.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,524.40 : 333,828.70 = 89,415.06 : x
  2. Step 2: Convert to fraction form
    222,524.40/333,828.70 = 89,415.06/x
  3. Step 3: Cross multiply
    222,524.40x = 333,828.70 × 89,415.06
  4. Step 4: Simplify right side
    222,524.40x = 29,849,313,240.22
  5. Step 5: Solve for x
    x = 29,849,313,240.22/222,524.40
  6. Step 6: Final answer
    x = 134,139.51

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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.