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Finding the Fourth Proportional to 222,531.58, 307,141.14 and 145,103.88

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Solution

The fourth proportional to 222,531.58, 307,141.14 and 145,103.88 is: 200,274.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,531.58 : 307,141.14 = 145,103.88 : x
  2. Step 2: Convert to fraction form
    222,531.58/307,141.14 = 145,103.88/x
  3. Step 3: Cross multiply
    222,531.58x = 307,141.14 × 145,103.88
  4. Step 4: Simplify right side
    222,531.58x = 44,567,371,545.60
  5. Step 5: Solve for x
    x = 44,567,371,545.60/222,531.58
  6. Step 6: Final answer
    x = 200,274.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.