Home / 297,391.72-446,088.20-209,040.56

Finding the Fourth Proportional to 297,391.72, 446,088.20 and 209,040.56

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Solution

The fourth proportional to 297,391.72, 446,088.20 and 209,040.56 is: 313,561.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,391.72 : 446,088.20 = 209,040.56 : x
  2. Step 2: Convert to fraction form
    297,391.72/446,088.20 = 209,040.56/x
  3. Step 3: Cross multiply
    297,391.72x = 446,088.20 × 209,040.56
  4. Step 4: Simplify right side
    297,391.72x = 93,250,527,137.39
  5. Step 5: Solve for x
    x = 93,250,527,137.39/297,391.72
  6. Step 6: Final answer
    x = 313,561.28

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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.