Home / 311,829.30-467,792.96-101,418.03

Finding the Fourth Proportional to 311,829.30, 467,792.96 and 101,418.03

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Solution

The fourth proportional to 311,829.30, 467,792.96 and 101,418.03 is: 152,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,829.30 : 467,792.96 = 101,418.03 : x
  2. Step 2: Convert to fraction form
    311,829.30/467,792.96 = 101,418.03/x
  3. Step 3: Cross multiply
    311,829.30x = 467,792.96 × 101,418.03
  4. Step 4: Simplify right side
    311,829.30x = 47,442,639,943.98
  5. Step 5: Solve for x
    x = 47,442,639,943.98/311,829.30
  6. Step 6: Final answer
    x = 152,142.98

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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.