Home / 231,245.40-347,277.70-168,986.20

Finding the Fourth Proportional to 231,245.40, 347,277.70 and 168,986.20

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Solution

The fourth proportional to 231,245.40, 347,277.70 and 168,986.20 is: 253,778.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,245.40 : 347,277.70 = 168,986.20 : x
  2. Step 2: Convert to fraction form
    231,245.40/347,277.70 = 168,986.20/x
  3. Step 3: Cross multiply
    231,245.40x = 347,277.70 × 168,986.20
  4. Step 4: Simplify right side
    231,245.40x = 58,685,138,867.74
  5. Step 5: Solve for x
    x = 58,685,138,867.74/231,245.40
  6. Step 6: Final answer
    x = 253,778.62

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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.