Home / 251,336.20-346,788.88-149,395.54

Finding the Fourth Proportional to 251,336.20, 346,788.88 and 149,395.54

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Solution

The fourth proportional to 251,336.20, 346,788.88 and 149,395.54 is: 206,133.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,336.20 : 346,788.88 = 149,395.54 : x
  2. Step 2: Convert to fraction form
    251,336.20/346,788.88 = 149,395.54/x
  3. Step 3: Cross multiply
    251,336.20x = 346,788.88 × 149,395.54
  4. Step 4: Simplify right side
    251,336.20x = 51,808,711,993.60
  5. Step 5: Solve for x
    x = 51,808,711,993.60/251,336.20
  6. Step 6: Final answer
    x = 206,133.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.