Home / 329,973.06-495,013.20-102,215.49

Finding the Fourth Proportional to 329,973.06, 495,013.20 and 102,215.49

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Solution

The fourth proportional to 329,973.06, 495,013.20 and 102,215.49 is: 153,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,973.06 : 495,013.20 = 102,215.49 : x
  2. Step 2: Convert to fraction form
    329,973.06/495,013.20 = 102,215.49/x
  3. Step 3: Cross multiply
    329,973.06x = 495,013.20 × 102,215.49
  4. Step 4: Simplify right side
    329,973.06x = 50,598,016,794.47
  5. Step 5: Solve for x
    x = 50,598,016,794.47/329,973.06
  6. Step 6: Final answer
    x = 153,339.84

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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.