Home / 297,456.17-446,347.97-128,977.79

Finding the Fourth Proportional to 297,456.17, 446,347.97 and 128,977.79

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Solution

The fourth proportional to 297,456.17, 446,347.97 and 128,977.79 is: 193,537.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,456.17 : 446,347.97 = 128,977.79 : x
  2. Step 2: Convert to fraction form
    297,456.17/446,347.97 = 128,977.79/x
  3. Step 3: Cross multiply
    297,456.17x = 446,347.97 × 128,977.79
  4. Step 4: Simplify right side
    297,456.17x = 57,568,974,096.70
  5. Step 5: Solve for x
    x = 57,568,974,096.70/297,456.17
  6. Step 6: Final answer
    x = 193,537.67

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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.