Home / 220,977.24-304,934.19-130,312.44

Finding the Fourth Proportional to 220,977.24, 304,934.19 and 130,312.44

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Solution

The fourth proportional to 220,977.24, 304,934.19 and 130,312.44 is: 179,822.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,977.24 : 304,934.19 = 130,312.44 : x
  2. Step 2: Convert to fraction form
    220,977.24/304,934.19 = 130,312.44/x
  3. Step 3: Cross multiply
    220,977.24x = 304,934.19 × 130,312.44
  4. Step 4: Simplify right side
    220,977.24x = 39,736,718,338.32
  5. Step 5: Solve for x
    x = 39,736,718,338.32/220,977.24
  6. Step 6: Final answer
    x = 179,822.67

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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.