Home / 293,208.45-439,725.19-103,633.82

Finding the Fourth Proportional to 293,208.45, 439,725.19 and 103,633.82

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Solution

The fourth proportional to 293,208.45, 439,725.19 and 103,633.82 is: 155,419.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,208.45 : 439,725.19 = 103,633.82 : x
  2. Step 2: Convert to fraction form
    293,208.45/439,725.19 = 103,633.82/x
  3. Step 3: Cross multiply
    293,208.45x = 439,725.19 × 103,633.82
  4. Step 4: Simplify right side
    293,208.45x = 45,570,401,189.93
  5. Step 5: Solve for x
    x = 45,570,401,189.93/293,208.45
  6. Step 6: Final answer
    x = 155,419.81

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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.