Home / 465,087.80-697,049.36-198,536.24

Finding the Fourth Proportional to 465,087.80, 697,049.36 and 198,536.24

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Solution

The fourth proportional to 465,087.80, 697,049.36 and 198,536.24 is: 297,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,087.80 : 697,049.36 = 198,536.24 : x
  2. Step 2: Convert to fraction form
    465,087.80/697,049.36 = 198,536.24/x
  3. Step 3: Cross multiply
    465,087.80x = 697,049.36 × 198,536.24
  4. Step 4: Simplify right side
    465,087.80x = 138,389,559,028.81
  5. Step 5: Solve for x
    x = 138,389,559,028.81/465,087.80
  6. Step 6: Final answer
    x = 297,555.77

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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.