Home / 436,944.18-655,451.64-121,401.12

Finding the Fourth Proportional to 436,944.18, 655,451.64 and 121,401.12

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Solution

The fourth proportional to 436,944.18, 655,451.64 and 121,401.12 is: 182,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,944.18 : 655,451.64 = 121,401.12 : x
  2. Step 2: Convert to fraction form
    436,944.18/655,451.64 = 121,401.12/x
  3. Step 3: Cross multiply
    436,944.18x = 655,451.64 × 121,401.12
  4. Step 4: Simplify right side
    436,944.18x = 79,572,563,201.84
  5. Step 5: Solve for x
    x = 79,572,563,201.84/436,944.18
  6. Step 6: Final answer
    x = 182,111.51

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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.