Home / 275,334.80-412,953-72,932.36

Finding the Fourth Proportional to 275,334.80, 412,953 and 72,932.36

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Solution

The fourth proportional to 275,334.80, 412,953 and 72,932.36 is: 109,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,334.80 : 412,953 = 72,932.36 : x
  2. Step 2: Convert to fraction form
    275,334.80/412,953 = 72,932.36/x
  3. Step 3: Cross multiply
    275,334.80x = 412,953 × 72,932.36
  4. Step 4: Simplify right side
    275,334.80x = 30,117,636,859.08
  5. Step 5: Solve for x
    x = 30,117,636,859.08/275,334.80
  6. Step 6: Final answer
    x = 109,385.51

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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.