Home / 236,860.74-353,981.21-212,191.38

Finding the Fourth Proportional to 236,860.74, 353,981.21 and 212,191.38

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Solution

The fourth proportional to 236,860.74, 353,981.21 and 212,191.38 is: 317,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,860.74 : 353,981.21 = 212,191.38 : x
  2. Step 2: Convert to fraction form
    236,860.74/353,981.21 = 212,191.38/x
  3. Step 3: Cross multiply
    236,860.74x = 353,981.21 × 212,191.38
  4. Step 4: Simplify right side
    236,860.74x = 75,111,760,383.01
  5. Step 5: Solve for x
    x = 75,111,760,383.01/236,860.74
  6. Step 6: Final answer
    x = 317,113.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.