Home / 329,819.16-494,688.42-140,355.66

Finding the Fourth Proportional to 329,819.16, 494,688.42 and 140,355.66

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Solution

The fourth proportional to 329,819.16, 494,688.42 and 140,355.66 is: 210,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,819.16 : 494,688.42 = 140,355.66 : x
  2. Step 2: Convert to fraction form
    329,819.16/494,688.42 = 140,355.66/x
  3. Step 3: Cross multiply
    329,819.16x = 494,688.42 × 140,355.66
  4. Step 4: Simplify right side
    329,819.16x = 69,432,319,683.46
  5. Step 5: Solve for x
    x = 69,432,319,683.46/329,819.16
  6. Step 6: Final answer
    x = 210,516.33

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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.