Home / 494,569.30-741,750.08-139,500.28

Finding the Fourth Proportional to 494,569.30, 741,750.08 and 139,500.28

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Solution

The fourth proportional to 494,569.30, 741,750.08 and 139,500.28 is: 209,221.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,569.30 : 741,750.08 = 139,500.28 : x
  2. Step 2: Convert to fraction form
    494,569.30/741,750.08 = 139,500.28/x
  3. Step 3: Cross multiply
    494,569.30x = 741,750.08 × 139,500.28
  4. Step 4: Simplify right side
    494,569.30x = 103,474,342,344.40
  5. Step 5: Solve for x
    x = 103,474,342,344.40/494,569.30
  6. Step 6: Final answer
    x = 209,221.12

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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.