Home / 326,152.98-450,140.31-198,902.39

Finding the Fourth Proportional to 326,152.98, 450,140.31 and 198,902.39

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Solution

The fourth proportional to 326,152.98, 450,140.31 and 198,902.39 is: 274,515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,152.98 : 450,140.31 = 198,902.39 : x
  2. Step 2: Convert to fraction form
    326,152.98/450,140.31 = 198,902.39/x
  3. Step 3: Cross multiply
    326,152.98x = 450,140.31 × 198,902.39
  4. Step 4: Simplify right side
    326,152.98x = 89,533,981,243.64
  5. Step 5: Solve for x
    x = 89,533,981,243.64/326,152.98
  6. Step 6: Final answer
    x = 274,515.29

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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.