Home / 339,913.44-469,061.28-189,007.20

Finding the Fourth Proportional to 339,913.44, 469,061.28 and 189,007.20

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Solution

The fourth proportional to 339,913.44, 469,061.28 and 189,007.20 is: 260,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,913.44 : 469,061.28 = 189,007.20 : x
  2. Step 2: Convert to fraction form
    339,913.44/469,061.28 = 189,007.20/x
  3. Step 3: Cross multiply
    339,913.44x = 469,061.28 × 189,007.20
  4. Step 4: Simplify right side
    339,913.44x = 88,655,959,161.22
  5. Step 5: Solve for x
    x = 88,655,959,161.22/339,913.44
  6. Step 6: Final answer
    x = 260,819.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.