Home / 259,923.37-389,898.91-82,444.06

Finding the Fourth Proportional to 259,923.37, 389,898.91 and 82,444.06

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Solution

The fourth proportional to 259,923.37, 389,898.91 and 82,444.06 is: 123,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,923.37 : 389,898.91 = 82,444.06 : x
  2. Step 2: Convert to fraction form
    259,923.37/389,898.91 = 82,444.06/x
  3. Step 3: Cross multiply
    259,923.37x = 389,898.91 × 82,444.06
  4. Step 4: Simplify right side
    259,923.37x = 32,144,849,129.97
  5. Step 5: Solve for x
    x = 32,144,849,129.97/259,923.37
  6. Step 6: Final answer
    x = 123,670.49

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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.