Home / 329,576.08-494,383.40-127,173.28

Finding the Fourth Proportional to 329,576.08, 494,383.40 and 127,173.28

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Solution

The fourth proportional to 329,576.08, 494,383.40 and 127,173.28 is: 190,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,576.08 : 494,383.40 = 127,173.28 : x
  2. Step 2: Convert to fraction form
    329,576.08/494,383.40 = 127,173.28/x
  3. Step 3: Cross multiply
    329,576.08x = 494,383.40 × 127,173.28
  4. Step 4: Simplify right side
    329,576.08x = 62,872,358,555.55
  5. Step 5: Solve for x
    x = 62,872,358,555.55/329,576.08
  6. Step 6: Final answer
    x = 190,767.36

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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.