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Finding the Fourth Proportional to 633,990.82, 950,990 and 160,677.58

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Solution

The fourth proportional to 633,990.82, 950,990 and 160,677.58 is: 241,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,990.82 : 950,990 = 160,677.58 : x
  2. Step 2: Convert to fraction form
    633,990.82/950,990 = 160,677.58/x
  3. Step 3: Cross multiply
    633,990.82x = 950,990 × 160,677.58
  4. Step 4: Simplify right side
    633,990.82x = 152,802,771,804.20
  5. Step 5: Solve for x
    x = 152,802,771,804.20/633,990.82
  6. Step 6: Final answer
    x = 241,017.33

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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.