Home / 352,824.60-486,883.98-209,580.84

Finding the Fourth Proportional to 352,824.60, 486,883.98 and 209,580.84

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Solution

The fourth proportional to 352,824.60, 486,883.98 and 209,580.84 is: 289,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,824.60 : 486,883.98 = 209,580.84 : x
  2. Step 2: Convert to fraction form
    352,824.60/486,883.98 = 209,580.84/x
  3. Step 3: Cross multiply
    352,824.60x = 486,883.98 × 209,580.84
  4. Step 4: Simplify right side
    352,824.60x = 102,041,553,510.94
  5. Step 5: Solve for x
    x = 102,041,553,510.94/352,824.60
  6. Step 6: Final answer
    x = 289,213.26

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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.