Home / 558,656.45-838,034.09-159,288.65

Finding the Fourth Proportional to 558,656.45, 838,034.09 and 159,288.65

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Solution

The fourth proportional to 558,656.45, 838,034.09 and 159,288.65 is: 238,947.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,656.45 : 838,034.09 = 159,288.65 : x
  2. Step 2: Convert to fraction form
    558,656.45/838,034.09 = 159,288.65/x
  3. Step 3: Cross multiply
    558,656.45x = 838,034.09 × 159,288.65
  4. Step 4: Simplify right side
    558,656.45x = 133,489,318,850.08
  5. Step 5: Solve for x
    x = 133,489,318,850.08/558,656.45
  6. Step 6: Final answer
    x = 238,947.06

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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.