Home / 304,933.61-420,814.46-177,617.40

Finding the Fourth Proportional to 304,933.61, 420,814.46 and 177,617.40

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Solution

The fourth proportional to 304,933.61, 420,814.46 and 177,617.40 is: 245,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,933.61 : 420,814.46 = 177,617.40 : x
  2. Step 2: Convert to fraction form
    304,933.61/420,814.46 = 177,617.40/x
  3. Step 3: Cross multiply
    304,933.61x = 420,814.46 × 177,617.40
  4. Step 4: Simplify right side
    304,933.61x = 74,743,969,379.52
  5. Step 5: Solve for x
    x = 74,743,969,379.52/304,933.61
  6. Step 6: Final answer
    x = 245,115.55

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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.