Home / 297,811.70-446,717.55-209,165.30

Finding the Fourth Proportional to 297,811.70, 446,717.55 and 209,165.30

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Solution

The fourth proportional to 297,811.70, 446,717.55 and 209,165.30 is: 313,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,811.70 : 446,717.55 = 209,165.30 : x
  2. Step 2: Convert to fraction form
    297,811.70/446,717.55 = 209,165.30/x
  3. Step 3: Cross multiply
    297,811.70x = 446,717.55 × 209,165.30
  4. Step 4: Simplify right side
    297,811.70x = 93,437,810,361.02
  5. Step 5: Solve for x
    x = 93,437,810,361.02/297,811.70
  6. Step 6: Final answer
    x = 313,747.95

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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.