Home / 297,573.09-446,383.94-139,715.43

Finding the Fourth Proportional to 297,573.09, 446,383.94 and 139,715.43

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Solution

The fourth proportional to 297,573.09, 446,383.94 and 139,715.43 is: 209,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,573.09 : 446,383.94 = 139,715.43 : x
  2. Step 2: Convert to fraction form
    297,573.09/446,383.94 = 139,715.43/x
  3. Step 3: Cross multiply
    297,573.09x = 446,383.94 × 139,715.43
  4. Step 4: Simplify right side
    297,573.09x = 62,366,723,423.62
  5. Step 5: Solve for x
    x = 62,366,723,423.62/297,573.09
  6. Step 6: Final answer
    x = 209,584.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.