Home / 618,250.14-927,107.82-213,485.04

Finding the Fourth Proportional to 618,250.14, 927,107.82 and 213,485.04

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Solution

The fourth proportional to 618,250.14, 927,107.82 and 213,485.04 is: 320,135.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,250.14 : 927,107.82 = 213,485.04 : x
  2. Step 2: Convert to fraction form
    618,250.14/927,107.82 = 213,485.04/x
  3. Step 3: Cross multiply
    618,250.14x = 927,107.82 × 213,485.04
  4. Step 4: Simplify right side
    618,250.14x = 197,923,650,037.01
  5. Step 5: Solve for x
    x = 197,923,650,037.01/618,250.14
  6. Step 6: Final answer
    x = 320,135.23

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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.