Home / 250,228.86-345,318.06-142,797.78

Finding the Fourth Proportional to 250,228.86, 345,318.06 and 142,797.78

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Solution

The fourth proportional to 250,228.86, 345,318.06 and 142,797.78 is: 197,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,228.86 : 345,318.06 = 142,797.78 : x
  2. Step 2: Convert to fraction form
    250,228.86/345,318.06 = 142,797.78/x
  3. Step 3: Cross multiply
    250,228.86x = 345,318.06 × 142,797.78
  4. Step 4: Simplify right side
    250,228.86x = 49,310,652,361.91
  5. Step 5: Solve for x
    x = 49,310,652,361.91/250,228.86
  6. Step 6: Final answer
    x = 197,062.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.