Home / 231,819.60-347,729.40-143,246.10

Finding the Fourth Proportional to 231,819.60, 347,729.40 and 143,246.10

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Solution

The fourth proportional to 231,819.60, 347,729.40 and 143,246.10 is: 214,869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,819.60 : 347,729.40 = 143,246.10 : x
  2. Step 2: Convert to fraction form
    231,819.60/347,729.40 = 143,246.10/x
  3. Step 3: Cross multiply
    231,819.60x = 347,729.40 × 143,246.10
  4. Step 4: Simplify right side
    231,819.60x = 49,810,880,405.34
  5. Step 5: Solve for x
    x = 49,810,880,405.34/231,819.60
  6. Step 6: Final answer
    x = 214,869.15

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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.