Home / 218,717.03-299,860.99-214,731.20

Finding the Fourth Proportional to 218,717.03, 299,860.99 and 214,731.20

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Solution

The fourth proportional to 218,717.03, 299,860.99 and 214,731.20 is: 294,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,717.03 : 299,860.99 = 214,731.20 : x
  2. Step 2: Convert to fraction form
    218,717.03/299,860.99 = 214,731.20/x
  3. Step 3: Cross multiply
    218,717.03x = 299,860.99 × 214,731.20
  4. Step 4: Simplify right side
    218,717.03x = 64,389,510,215.89
  5. Step 5: Solve for x
    x = 64,389,510,215.89/218,717.03
  6. Step 6: Final answer
    x = 294,396.42

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.