Home / 436,476.86-654,742.97-136,969.26

Finding the Fourth Proportional to 436,476.86, 654,742.97 and 136,969.26

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Solution

The fourth proportional to 436,476.86, 654,742.97 and 136,969.26 is: 205,462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,476.86 : 654,742.97 = 136,969.26 : x
  2. Step 2: Convert to fraction form
    436,476.86/654,742.97 = 136,969.26/x
  3. Step 3: Cross multiply
    436,476.86x = 654,742.97 × 136,969.26
  4. Step 4: Simplify right side
    436,476.86x = 89,679,659,406.26
  5. Step 5: Solve for x
    x = 89,679,659,406.26/436,476.86
  6. Step 6: Final answer
    x = 205,462.57

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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.