Home / 305,039.75-457,626.63-125,126.24

Finding the Fourth Proportional to 305,039.75, 457,626.63 and 125,126.24

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Solution

The fourth proportional to 305,039.75, 457,626.63 and 125,126.24 is: 187,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,039.75 : 457,626.63 = 125,126.24 : x
  2. Step 2: Convert to fraction form
    305,039.75/457,626.63 = 125,126.24/x
  3. Step 3: Cross multiply
    305,039.75x = 457,626.63 × 125,126.24
  4. Step 4: Simplify right side
    305,039.75x = 57,261,099,535.77
  5. Step 5: Solve for x
    x = 57,261,099,535.77/305,039.75
  6. Step 6: Final answer
    x = 187,716.85

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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.