Home / 387,289.44-581,161.52-162,632.56

Finding the Fourth Proportional to 387,289.44, 581,161.52 and 162,632.56

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Solution

The fourth proportional to 387,289.44, 581,161.52 and 162,632.56 is: 244,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,289.44 : 581,161.52 = 162,632.56 : x
  2. Step 2: Convert to fraction form
    387,289.44/581,161.52 = 162,632.56/x
  3. Step 3: Cross multiply
    387,289.44x = 581,161.52 × 162,632.56
  4. Step 4: Simplify right side
    387,289.44x = 94,515,785,771.09
  5. Step 5: Solve for x
    x = 94,515,785,771.09/387,289.44
  6. Step 6: Final answer
    x = 244,044.31

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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.