Home / 304,933.23-420,813.95-177,617.03

Finding the Fourth Proportional to 304,933.23, 420,813.95 and 177,617.03

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Solution

The fourth proportional to 304,933.23, 420,813.95 and 177,617.03 is: 245,115.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,933.23 : 420,813.95 = 177,617.03 : x
  2. Step 2: Convert to fraction form
    304,933.23/420,813.95 = 177,617.03/x
  3. Step 3: Cross multiply
    304,933.23x = 420,813.95 × 177,617.03
  4. Step 4: Simplify right side
    304,933.23x = 74,743,720,989.41
  5. Step 5: Solve for x
    x = 74,743,720,989.41/304,933.23
  6. Step 6: Final answer
    x = 245,115.04

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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.