Home / 231,624.45-347,496.60-135,642.72

Finding the Fourth Proportional to 231,624.45, 347,496.60 and 135,642.72

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Solution

The fourth proportional to 231,624.45, 347,496.60 and 135,642.72 is: 203,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,624.45 : 347,496.60 = 135,642.72 : x
  2. Step 2: Convert to fraction form
    231,624.45/347,496.60 = 135,642.72/x
  3. Step 3: Cross multiply
    231,624.45x = 347,496.60 × 135,642.72
  4. Step 4: Simplify right side
    231,624.45x = 47,135,384,014.75
  5. Step 5: Solve for x
    x = 47,135,384,014.75/231,624.45
  6. Step 6: Final answer
    x = 203,499.17

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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.