Home / 231,604.20-347,438.70-98,483.40

Finding the Fourth Proportional to 231,604.20, 347,438.70 and 98,483.40

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Solution

The fourth proportional to 231,604.20, 347,438.70 and 98,483.40 is: 147,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,604.20 : 347,438.70 = 98,483.40 : x
  2. Step 2: Convert to fraction form
    231,604.20/347,438.70 = 98,483.40/x
  3. Step 3: Cross multiply
    231,604.20x = 347,438.70 × 98,483.40
  4. Step 4: Simplify right side
    231,604.20x = 34,216,944,467.58
  5. Step 5: Solve for x
    x = 34,216,944,467.58/231,604.20
  6. Step 6: Final answer
    x = 147,738.88

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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.