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Finding the Fourth Proportional to 222,531, 333,838.35 and 89,421.81

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Solution

The fourth proportional to 222,531, 333,838.35 and 89,421.81 is: 134,149.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,531 : 333,838.35 = 89,421.81 : x
  2. Step 2: Convert to fraction form
    222,531/333,838.35 = 89,421.81/x
  3. Step 3: Cross multiply
    222,531x = 333,838.35 × 89,421.81
  4. Step 4: Simplify right side
    222,531x = 29,852,429,504.41
  5. Step 5: Solve for x
    x = 29,852,429,504.41/222,531
  6. Step 6: Final answer
    x = 134,149.53

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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.