Home / 259,500.52-389,112.30-133,089.46

Finding the Fourth Proportional to 259,500.52, 389,112.30 and 133,089.46

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Solution

The fourth proportional to 259,500.52, 389,112.30 and 133,089.46 is: 199,563.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,500.52 : 389,112.30 = 133,089.46 : x
  2. Step 2: Convert to fraction form
    259,500.52/389,112.30 = 133,089.46/x
  3. Step 3: Cross multiply
    259,500.52x = 389,112.30 × 133,089.46
  4. Step 4: Simplify right side
    259,500.52x = 51,786,745,886.36
  5. Step 5: Solve for x
    x = 51,786,745,886.36/259,500.52
  6. Step 6: Final answer
    x = 199,563.17

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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.