Home / 231,453.20-346,920.60-98,310.80

Finding the Fourth Proportional to 231,453.20, 346,920.60 and 98,310.80

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Solution

The fourth proportional to 231,453.20, 346,920.60 and 98,310.80 is: 147,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,453.20 : 346,920.60 = 98,310.80 : x
  2. Step 2: Convert to fraction form
    231,453.20/346,920.60 = 98,310.80/x
  3. Step 3: Cross multiply
    231,453.20x = 346,920.60 × 98,310.80
  4. Step 4: Simplify right side
    231,453.20x = 34,106,041,722.48
  5. Step 5: Solve for x
    x = 34,106,041,722.48/231,453.20
  6. Step 6: Final answer
    x = 147,356.10

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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.