Home / 304,834.08-420,723.12-177,584.16

Finding the Fourth Proportional to 304,834.08, 420,723.12 and 177,584.16

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Solution

The fourth proportional to 304,834.08, 420,723.12 and 177,584.16 is: 245,096.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,834.08 : 420,723.12 = 177,584.16 : x
  2. Step 2: Convert to fraction form
    304,834.08/420,723.12 = 177,584.16/x
  3. Step 3: Cross multiply
    304,834.08x = 420,723.12 × 177,584.16
  4. Step 4: Simplify right side
    304,834.08x = 74,713,761,857.78
  5. Step 5: Solve for x
    x = 74,713,761,857.78/304,834.08
  6. Step 6: Final answer
    x = 245,096.49

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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.