Home / 387,148.41-580,496.61-150,214.32

Finding the Fourth Proportional to 387,148.41, 580,496.61 and 150,214.32

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Solution

The fourth proportional to 387,148.41, 580,496.61 and 150,214.32 is: 225,233.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,148.41 : 580,496.61 = 150,214.32 : x
  2. Step 2: Convert to fraction form
    387,148.41/580,496.61 = 150,214.32/x
  3. Step 3: Cross multiply
    387,148.41x = 580,496.61 × 150,214.32
  4. Step 4: Simplify right side
    387,148.41x = 87,198,903,533.46
  5. Step 5: Solve for x
    x = 87,198,903,533.46/387,148.41
  6. Step 6: Final answer
    x = 225,233.79

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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.