Home / 352,386.11-486,285.92-199,421.46

Finding the Fourth Proportional to 352,386.11, 486,285.92 and 199,421.46

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Solution

The fourth proportional to 352,386.11, 486,285.92 and 199,421.46 is: 275,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,386.11 : 486,285.92 = 199,421.46 : x
  2. Step 2: Convert to fraction form
    352,386.11/486,285.92 = 199,421.46/x
  3. Step 3: Cross multiply
    352,386.11x = 486,285.92 × 199,421.46
  4. Step 4: Simplify right side
    352,386.11x = 96,975,847,146.74
  5. Step 5: Solve for x
    x = 96,975,847,146.74/352,386.11
  6. Step 6: Final answer
    x = 275,197.70

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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.