Home / 493,153.86-739,076.83-253,258.06

Finding the Fourth Proportional to 493,153.86, 739,076.83 and 253,258.06

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Solution

The fourth proportional to 493,153.86, 739,076.83 and 253,258.06 is: 379,551.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,153.86 : 739,076.83 = 253,258.06 : x
  2. Step 2: Convert to fraction form
    493,153.86/739,076.83 = 253,258.06/x
  3. Step 3: Cross multiply
    493,153.86x = 739,076.83 × 253,258.06
  4. Step 4: Simplify right side
    493,153.86x = 187,177,163,061.68
  5. Step 5: Solve for x
    x = 187,177,163,061.68/493,153.86
  6. Step 6: Final answer
    x = 379,551.25

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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.