Home / 455,131.08-683,001.24-188,891.76

Finding the Fourth Proportional to 455,131.08, 683,001.24 and 188,891.76

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Solution

The fourth proportional to 455,131.08, 683,001.24 and 188,891.76 is: 283,464.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,131.08 : 683,001.24 = 188,891.76 : x
  2. Step 2: Convert to fraction form
    455,131.08/683,001.24 = 188,891.76/x
  3. Step 3: Cross multiply
    455,131.08x = 683,001.24 × 188,891.76
  4. Step 4: Simplify right side
    455,131.08x = 129,013,306,305.78
  5. Step 5: Solve for x
    x = 129,013,306,305.78/455,131.08
  6. Step 6: Final answer
    x = 283,464.07

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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.