Home / 558,743.40-838,245.24-159,389.64

Finding the Fourth Proportional to 558,743.40, 838,245.24 and 159,389.64

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Solution

The fourth proportional to 558,743.40, 838,245.24 and 159,389.64 is: 239,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,743.40 : 838,245.24 = 159,389.64 : x
  2. Step 2: Convert to fraction form
    558,743.40/838,245.24 = 159,389.64/x
  3. Step 3: Cross multiply
    558,743.40x = 838,245.24 × 159,389.64
  4. Step 4: Simplify right side
    558,743.40x = 133,607,607,035.31
  5. Step 5: Solve for x
    x = 133,607,607,035.31/558,743.40
  6. Step 6: Final answer
    x = 239,121.58

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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.