Home / 297,821.34-446,764.68-129,225.78

Finding the Fourth Proportional to 297,821.34, 446,764.68 and 129,225.78

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Solution

The fourth proportional to 297,821.34, 446,764.68 and 129,225.78 is: 193,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,821.34 : 446,764.68 = 129,225.78 : x
  2. Step 2: Convert to fraction form
    297,821.34/446,764.68 = 129,225.78/x
  3. Step 3: Cross multiply
    297,821.34x = 446,764.68 × 129,225.78
  4. Step 4: Simplify right side
    297,821.34x = 57,733,514,249.45
  5. Step 5: Solve for x
    x = 57,733,514,249.45/297,821.34
  6. Step 6: Final answer
    x = 193,852.85

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1.5x scale

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.