Home / 387,674.43-581,273.50-150,740.92

Finding the Fourth Proportional to 387,674.43, 581,273.50 and 150,740.92

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Solution

The fourth proportional to 387,674.43, 581,273.50 and 150,740.92 is: 226,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,674.43 : 581,273.50 = 150,740.92 : x
  2. Step 2: Convert to fraction form
    387,674.43/581,273.50 = 150,740.92/x
  3. Step 3: Cross multiply
    387,674.43x = 581,273.50 × 150,740.92
  4. Step 4: Simplify right side
    387,674.43x = 87,621,702,161.62
  5. Step 5: Solve for x
    x = 87,621,702,161.62/387,674.43
  6. Step 6: Final answer
    x = 226,018.78

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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.