Home / 231,627.45-347,501.10-135,645.72

Finding the Fourth Proportional to 231,627.45, 347,501.10 and 135,645.72

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Solution

The fourth proportional to 231,627.45, 347,501.10 and 135,645.72 is: 203,503.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,627.45 : 347,501.10 = 135,645.72 : x
  2. Step 2: Convert to fraction form
    231,627.45/347,501.10 = 135,645.72/x
  3. Step 3: Cross multiply
    231,627.45x = 347,501.10 × 135,645.72
  4. Step 4: Simplify right side
    231,627.45x = 47,137,036,910.29
  5. Step 5: Solve for x
    x = 47,137,036,910.29/231,627.45
  6. Step 6: Final answer
    x = 203,503.67

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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.