Home / 329,232.18-493,750.80-139,690.11

Finding the Fourth Proportional to 329,232.18, 493,750.80 and 139,690.11

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Solution

The fourth proportional to 329,232.18, 493,750.80 and 139,690.11 is: 209,493.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,232.18 : 493,750.80 = 139,690.11 : x
  2. Step 2: Convert to fraction form
    329,232.18/493,750.80 = 139,690.11/x
  3. Step 3: Cross multiply
    329,232.18x = 493,750.80 × 139,690.11
  4. Step 4: Simplify right side
    329,232.18x = 68,972,103,564.59
  5. Step 5: Solve for x
    x = 68,972,103,564.59/329,232.18
  6. Step 6: Final answer
    x = 209,493.81

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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.