Home / 297,830.34-446,778.18-129,234.78

Finding the Fourth Proportional to 297,830.34, 446,778.18 and 129,234.78

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Solution

The fourth proportional to 297,830.34, 446,778.18 and 129,234.78 is: 193,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,830.34 : 446,778.18 = 129,234.78 : x
  2. Step 2: Convert to fraction form
    297,830.34/446,778.18 = 129,234.78/x
  3. Step 3: Cross multiply
    297,830.34x = 446,778.18 × 129,234.78
  4. Step 4: Simplify right side
    297,830.34x = 57,739,279,801.10
  5. Step 5: Solve for x
    x = 57,739,279,801.10/297,830.34
  6. Step 6: Final answer
    x = 193,866.35

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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.