Home / 340,923.67-511,560.77-261,472.05

Finding the Fourth Proportional to 340,923.67, 511,560.77 and 261,472.05

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Solution

The fourth proportional to 340,923.67, 511,560.77 and 261,472.05 is: 392,342.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,923.67 : 511,560.77 = 261,472.05 : x
  2. Step 2: Convert to fraction form
    340,923.67/511,560.77 = 261,472.05/x
  3. Step 3: Cross multiply
    340,923.67x = 511,560.77 × 261,472.05
  4. Step 4: Simplify right side
    340,923.67x = 133,758,841,924.12
  5. Step 5: Solve for x
    x = 133,758,841,924.12/340,923.67
  6. Step 6: Final answer
    x = 392,342.49

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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.