Home / 218,063.24-300,883.16-127,401.69

Finding the Fourth Proportional to 218,063.24, 300,883.16 and 127,401.69

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Solution

The fourth proportional to 218,063.24, 300,883.16 and 127,401.69 is: 175,788.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,063.24 : 300,883.16 = 127,401.69 : x
  2. Step 2: Convert to fraction form
    218,063.24/300,883.16 = 127,401.69/x
  3. Step 3: Cross multiply
    218,063.24x = 300,883.16 × 127,401.69
  4. Step 4: Simplify right side
    218,063.24x = 38,333,022,439.53
  5. Step 5: Solve for x
    x = 38,333,022,439.53/218,063.24
  6. Step 6: Final answer
    x = 175,788.56

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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.