Home / 329,931.28-494,856.24-140,467.84

Finding the Fourth Proportional to 329,931.28, 494,856.24 and 140,467.84

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Solution

The fourth proportional to 329,931.28, 494,856.24 and 140,467.84 is: 210,684.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,931.28 : 494,856.24 = 140,467.84 : x
  2. Step 2: Convert to fraction form
    329,931.28/494,856.24 = 140,467.84/x
  3. Step 3: Cross multiply
    329,931.28x = 494,856.24 × 140,467.84
  4. Step 4: Simplify right side
    329,931.28x = 69,511,387,143.32
  5. Step 5: Solve for x
    x = 69,511,387,143.32/329,931.28
  6. Step 6: Final answer
    x = 210,684.44

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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.