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Finding the Fourth Proportional to 220,308.36, 330,461.94 and 62,536.98

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Solution

The fourth proportional to 220,308.36, 330,461.94 and 62,536.98 is: 93,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,308.36 : 330,461.94 = 62,536.98 : x
  2. Step 2: Convert to fraction form
    220,308.36/330,461.94 = 62,536.98/x
  3. Step 3: Cross multiply
    220,308.36x = 330,461.94 × 62,536.98
  4. Step 4: Simplify right side
    220,308.36x = 20,666,091,732.54
  5. Step 5: Solve for x
    x = 20,666,091,732.54/220,308.36
  6. Step 6: Final answer
    x = 93,805.30

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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.