Home / 220,972.24-304,927.32-130,307.41

Finding the Fourth Proportional to 220,972.24, 304,927.32 and 130,307.41

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Solution

The fourth proportional to 220,972.24, 304,927.32 and 130,307.41 is: 179,815.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,972.24 : 304,927.32 = 130,307.41 : x
  2. Step 2: Convert to fraction form
    220,972.24/304,927.32 = 130,307.41/x
  3. Step 3: Cross multiply
    220,972.24x = 304,927.32 × 130,307.41
  4. Step 4: Simplify right side
    220,972.24x = 39,734,289,307.44
  5. Step 5: Solve for x
    x = 39,734,289,307.44/220,972.24
  6. Step 6: Final answer
    x = 179,815.75

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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.