Home / 262,606.20-393,455.70-122,076.60

Finding the Fourth Proportional to 262,606.20, 393,455.70 and 122,076.60

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Solution

The fourth proportional to 262,606.20, 393,455.70 and 122,076.60 is: 182,904.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,606.20 : 393,455.70 = 122,076.60 : x
  2. Step 2: Convert to fraction form
    262,606.20/393,455.70 = 122,076.60/x
  3. Step 3: Cross multiply
    262,606.20x = 393,455.70 × 122,076.60
  4. Step 4: Simplify right side
    262,606.20x = 48,031,734,106.62
  5. Step 5: Solve for x
    x = 48,031,734,106.62/262,606.20
  6. Step 6: Final answer
    x = 182,904.04

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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.