Home / 218,837.79-302,096.99-154,359.56

Finding the Fourth Proportional to 218,837.79, 302,096.99 and 154,359.56

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Solution

The fourth proportional to 218,837.79, 302,096.99 and 154,359.56 is: 213,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,837.79 : 302,096.99 = 154,359.56 : x
  2. Step 2: Convert to fraction form
    218,837.79/302,096.99 = 154,359.56/x
  3. Step 3: Cross multiply
    218,837.79x = 302,096.99 × 154,359.56
  4. Step 4: Simplify right side
    218,837.79x = 46,631,556,171.44
  5. Step 5: Solve for x
    x = 46,631,556,171.44/218,837.79
  6. Step 6: Final answer
    x = 213,087.31

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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.