Home / 297,312.82-446,037.32-128,861.44

Finding the Fourth Proportional to 297,312.82, 446,037.32 and 128,861.44

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Solution

The fourth proportional to 297,312.82, 446,037.32 and 128,861.44 is: 193,321.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,312.82 : 446,037.32 = 128,861.44 : x
  2. Step 2: Convert to fraction form
    297,312.82/446,037.32 = 128,861.44/x
  3. Step 3: Cross multiply
    297,312.82x = 446,037.32 × 128,861.44
  4. Step 4: Simplify right side
    297,312.82x = 57,477,011,348.94
  5. Step 5: Solve for x
    x = 57,477,011,348.94/297,312.82
  6. Step 6: Final answer
    x = 193,321.67

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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.