Home / 297,768.36-446,401.32-129,161.76

Finding the Fourth Proportional to 297,768.36, 446,401.32 and 129,161.76

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Solution

The fourth proportional to 297,768.36, 446,401.32 and 129,161.76 is: 193,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,768.36 : 446,401.32 = 129,161.76 : x
  2. Step 2: Convert to fraction form
    297,768.36/446,401.32 = 129,161.76/x
  3. Step 3: Cross multiply
    297,768.36x = 446,401.32 × 129,161.76
  4. Step 4: Simplify right side
    297,768.36x = 57,657,980,157.52
  5. Step 5: Solve for x
    x = 57,657,980,157.52/297,768.36
  6. Step 6: Final answer
    x = 193,633.67

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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.