Home / 315,922.14-436,265.19-202,943.34

Finding the Fourth Proportional to 315,922.14, 436,265.19 and 202,943.34

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Solution

The fourth proportional to 315,922.14, 436,265.19 and 202,943.34 is: 280,249.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,922.14 : 436,265.19 = 202,943.34 : x
  2. Step 2: Convert to fraction form
    315,922.14/436,265.19 = 202,943.34/x
  3. Step 3: Cross multiply
    315,922.14x = 436,265.19 × 202,943.34
  4. Step 4: Simplify right side
    315,922.14x = 88,537,114,784.33
  5. Step 5: Solve for x
    x = 88,537,114,784.33/315,922.14
  6. Step 6: Final answer
    x = 280,249.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.