Home / 352,812.83-486,923.43-209,573.44

Finding the Fourth Proportional to 352,812.83, 486,923.43 and 209,573.44

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Solution

The fourth proportional to 352,812.83, 486,923.43 and 209,573.44 is: 289,236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,812.83 : 486,923.43 = 209,573.44 : x
  2. Step 2: Convert to fraction form
    352,812.83/486,923.43 = 209,573.44/x
  3. Step 3: Cross multiply
    352,812.83x = 486,923.43 × 209,573.44
  4. Step 4: Simplify right side
    352,812.83x = 102,046,217,810.29
  5. Step 5: Solve for x
    x = 102,046,217,810.29/352,812.83
  6. Step 6: Final answer
    x = 289,236.13

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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.