Home / 352,867.41-486,902.21-209,623.77

Finding the Fourth Proportional to 352,867.41, 486,902.21 and 209,623.77

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Solution

The fourth proportional to 352,867.41, 486,902.21 and 209,623.77 is: 289,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,867.41 : 486,902.21 = 209,623.77 : x
  2. Step 2: Convert to fraction form
    352,867.41/486,902.21 = 209,623.77/x
  3. Step 3: Cross multiply
    352,867.41x = 486,902.21 × 209,623.77
  4. Step 4: Simplify right side
    352,867.41x = 102,066,275,833.41
  5. Step 5: Solve for x
    x = 102,066,275,833.41/352,867.41
  6. Step 6: Final answer
    x = 289,248.24

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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.