Home / 838,092.30-1,257,187.05-239,097.30

Finding the Fourth Proportional to 838,092.30, 1,257,187.05 and 239,097.30

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Solution

The fourth proportional to 838,092.30, 1,257,187.05 and 239,097.30 is: 358,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,092.30 : 1,257,187.05 = 239,097.30 : x
  2. Step 2: Convert to fraction form
    838,092.30/1,257,187.05 = 239,097.30/x
  3. Step 3: Cross multiply
    838,092.30x = 1,257,187.05 × 239,097.30
  4. Step 4: Simplify right side
    838,092.30x = 300,590,029,249.97
  5. Step 5: Solve for x
    x = 300,590,029,249.97/838,092.30
  6. Step 6: Final answer
    x = 358,659.81

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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.