Home / 352,830.27-486,870.64-199,837.92

Finding the Fourth Proportional to 352,830.27, 486,870.64 and 199,837.92

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Solution

The fourth proportional to 352,830.27, 486,870.64 and 199,837.92 is: 275,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,830.27 : 486,870.64 = 199,837.92 : x
  2. Step 2: Convert to fraction form
    352,830.27/486,870.64 = 199,837.92/x
  3. Step 3: Cross multiply
    352,830.27x = 486,870.64 × 199,837.92
  4. Step 4: Simplify right side
    352,830.27x = 97,295,216,006.67
  5. Step 5: Solve for x
    x = 97,295,216,006.67/352,830.27
  6. Step 6: Final answer
    x = 275,756.43

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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.