Home / 558,805.03-838,238.52-159,415.09

Finding the Fourth Proportional to 558,805.03, 838,238.52 and 159,415.09

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Solution

The fourth proportional to 558,805.03, 838,238.52 and 159,415.09 is: 239,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,805.03 : 838,238.52 = 159,415.09 : x
  2. Step 2: Convert to fraction form
    558,805.03/838,238.52 = 159,415.09/x
  3. Step 3: Cross multiply
    558,805.03x = 838,238.52 × 159,415.09
  4. Step 4: Simplify right side
    558,805.03x = 133,627,869,107.27
  5. Step 5: Solve for x
    x = 133,627,869,107.27/558,805.03
  6. Step 6: Final answer
    x = 239,131.47

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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.