Home / 398,625.86-597,936.32-145,923.92

Finding the Fourth Proportional to 398,625.86, 597,936.32 and 145,923.92

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Solution

The fourth proportional to 398,625.86, 597,936.32 and 145,923.92 is: 218,884.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,625.86 : 597,936.32 = 145,923.92 : x
  2. Step 2: Convert to fraction form
    398,625.86/597,936.32 = 145,923.92/x
  3. Step 3: Cross multiply
    398,625.86x = 597,936.32 × 145,923.92
  4. Step 4: Simplify right side
    398,625.86x = 87,253,211,724.77
  5. Step 5: Solve for x
    x = 87,253,211,724.77/398,625.86
  6. Step 6: Final answer
    x = 218,884.98

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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.