Home / 436,949.43-655,459.52-121,406.37

Finding the Fourth Proportional to 436,949.43, 655,459.52 and 121,406.37

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Solution

The fourth proportional to 436,949.43, 655,459.52 and 121,406.37 is: 182,119.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,949.43 : 655,459.52 = 121,406.37 : x
  2. Step 2: Convert to fraction form
    436,949.43/655,459.52 = 121,406.37/x
  3. Step 3: Cross multiply
    436,949.43x = 655,459.52 × 121,406.37
  4. Step 4: Simplify right side
    436,949.43x = 79,576,960,398.11
  5. Step 5: Solve for x
    x = 79,576,960,398.11/436,949.43
  6. Step 6: Final answer
    x = 182,119.38

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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.