Home / 329,427.81-494,688.47-205,556.13

Finding the Fourth Proportional to 329,427.81, 494,688.47 and 205,556.13

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Solution

The fourth proportional to 329,427.81, 494,688.47 and 205,556.13 is: 308,675.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,427.81 : 494,688.47 = 205,556.13 : x
  2. Step 2: Convert to fraction form
    329,427.81/494,688.47 = 205,556.13/x
  3. Step 3: Cross multiply
    329,427.81x = 494,688.47 × 205,556.13
  4. Step 4: Simplify right side
    329,427.81x = 101,686,246,421.04
  5. Step 5: Solve for x
    x = 101,686,246,421.04/329,427.81
  6. Step 6: Final answer
    x = 308,675.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.