Home / 339,939.20-510,054.60-173,727.20

Finding the Fourth Proportional to 339,939.20, 510,054.60 and 173,727.20

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Solution

The fourth proportional to 339,939.20, 510,054.60 and 173,727.20 is: 260,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,939.20 : 510,054.60 = 173,727.20 : x
  2. Step 2: Convert to fraction form
    339,939.20/510,054.60 = 173,727.20/x
  3. Step 3: Cross multiply
    339,939.20x = 510,054.60 × 173,727.20
  4. Step 4: Simplify right side
    339,939.20x = 88,610,357,505.12
  5. Step 5: Solve for x
    x = 88,610,357,505.12/339,939.20
  6. Step 6: Final answer
    x = 260,665.31

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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.