Home / 618,087.80-927,158.04-218,731.88

Finding the Fourth Proportional to 618,087.80, 927,158.04 and 218,731.88

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Solution

The fourth proportional to 618,087.80, 927,158.04 and 218,731.88 is: 328,107.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,087.80 : 927,158.04 = 218,731.88 : x
  2. Step 2: Convert to fraction form
    618,087.80/927,158.04 = 218,731.88/x
  3. Step 3: Cross multiply
    618,087.80x = 927,158.04 × 218,731.88
  4. Step 4: Simplify right side
    618,087.80x = 202,799,021,146.32
  5. Step 5: Solve for x
    x = 202,799,021,146.32/618,087.80
  6. Step 6: Final answer
    x = 328,107.14

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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.