Home / 336,945.24-505,409.13-137,265.30

Finding the Fourth Proportional to 336,945.24, 505,409.13 and 137,265.30

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Solution

The fourth proportional to 336,945.24, 505,409.13 and 137,265.30 is: 205,894.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,945.24 : 505,409.13 = 137,265.30 : x
  2. Step 2: Convert to fraction form
    336,945.24/505,409.13 = 137,265.30/x
  3. Step 3: Cross multiply
    336,945.24x = 505,409.13 × 137,265.30
  4. Step 4: Simplify right side
    336,945.24x = 69,375,135,852.19
  5. Step 5: Solve for x
    x = 69,375,135,852.19/336,945.24
  6. Step 6: Final answer
    x = 205,894.39

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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.