Home / 456,160.28-629,362.92-318,335.54

Finding the Fourth Proportional to 456,160.28, 629,362.92 and 318,335.54

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Solution

The fourth proportional to 456,160.28, 629,362.92 and 318,335.54 is: 439,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,160.28 : 629,362.92 = 318,335.54 : x
  2. Step 2: Convert to fraction form
    456,160.28/629,362.92 = 318,335.54/x
  3. Step 3: Cross multiply
    456,160.28x = 629,362.92 × 318,335.54
  4. Step 4: Simplify right side
    456,160.28x = 200,348,585,790.02
  5. Step 5: Solve for x
    x = 200,348,585,790.02/456,160.28
  6. Step 6: Final answer
    x = 439,206.56

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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.