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Finding the Fourth Proportional to 275,552.74, 413,364.75 and 190,004.59

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Solution

The fourth proportional to 275,552.74, 413,364.75 and 190,004.59 is: 285,031.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,552.74 : 413,364.75 = 190,004.59 : x
  2. Step 2: Convert to fraction form
    275,552.74/413,364.75 = 190,004.59/x
  3. Step 3: Cross multiply
    275,552.74x = 413,364.75 × 190,004.59
  4. Step 4: Simplify right side
    275,552.74x = 78,541,199,844.20
  5. Step 5: Solve for x
    x = 78,541,199,844.20/275,552.74
  6. Step 6: Final answer
    x = 285,031.46

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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.