Home / 236,765.75-326,072.49-221,569.52

Finding the Fourth Proportional to 236,765.75, 326,072.49 and 221,569.52

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Solution

The fourth proportional to 236,765.75, 326,072.49 and 221,569.52 is: 305,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,765.75 : 326,072.49 = 221,569.52 : x
  2. Step 2: Convert to fraction form
    236,765.75/326,072.49 = 221,569.52/x
  3. Step 3: Cross multiply
    236,765.75x = 326,072.49 × 221,569.52
  4. Step 4: Simplify right side
    236,765.75x = 72,247,723,464.14
  5. Step 5: Solve for x
    x = 72,247,723,464.14/236,765.75
  6. Step 6: Final answer
    x = 305,144.33

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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.