Home / 669,653.28-1,004,458.86-164,215.80

Finding the Fourth Proportional to 669,653.28, 1,004,458.86 and 164,215.80

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Solution

The fourth proportional to 669,653.28, 1,004,458.86 and 164,215.80 is: 246,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,653.28 : 1,004,458.86 = 164,215.80 : x
  2. Step 2: Convert to fraction form
    669,653.28/1,004,458.86 = 164,215.80/x
  3. Step 3: Cross multiply
    669,653.28x = 1,004,458.86 × 164,215.80
  4. Step 4: Simplify right side
    669,653.28x = 164,948,015,261.99
  5. Step 5: Solve for x
    x = 164,948,015,261.99/669,653.28
  6. Step 6: Final answer
    x = 246,318.54

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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.