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Finding the Fourth Proportional to 222,633.62, 333,954.08 and 64,870.74

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Solution

The fourth proportional to 222,633.62, 333,954.08 and 64,870.74 is: 97,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,633.62 : 333,954.08 = 64,870.74 : x
  2. Step 2: Convert to fraction form
    222,633.62/333,954.08 = 64,870.74/x
  3. Step 3: Cross multiply
    222,633.62x = 333,954.08 × 64,870.74
  4. Step 4: Simplify right side
    222,633.62x = 21,663,848,295.62
  5. Step 5: Solve for x
    x = 21,663,848,295.62/222,633.62
  6. Step 6: Final answer
    x = 97,307.17

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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.