Home / 221,035.49-331,567.80-80,892.53

Finding the Fourth Proportional to 221,035.49, 331,567.80 and 80,892.53

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Solution

The fourth proportional to 221,035.49, 331,567.80 and 80,892.53 is: 121,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,035.49 : 331,567.80 = 80,892.53 : x
  2. Step 2: Convert to fraction form
    221,035.49/331,567.80 = 80,892.53/x
  3. Step 3: Cross multiply
    221,035.49x = 331,567.80 × 80,892.53
  4. Step 4: Simplify right side
    221,035.49x = 26,821,358,208.53
  5. Step 5: Solve for x
    x = 26,821,358,208.53/221,035.49
  6. Step 6: Final answer
    x = 121,344.13

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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.