Home / 220,976.74-304,933.50-130,311.94

Finding the Fourth Proportional to 220,976.74, 304,933.50 and 130,311.94

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Solution

The fourth proportional to 220,976.74, 304,933.50 and 130,311.94 is: 179,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,976.74 : 304,933.50 = 130,311.94 : x
  2. Step 2: Convert to fraction form
    220,976.74/304,933.50 = 130,311.94/x
  3. Step 3: Cross multiply
    220,976.74x = 304,933.50 × 130,311.94
  4. Step 4: Simplify right side
    220,976.74x = 39,736,475,955.99
  5. Step 5: Solve for x
    x = 39,736,475,955.99/220,976.74
  6. Step 6: Final answer
    x = 179,821.98

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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.