Home / 331,616.69-457,305.92-210,547.79

Finding the Fourth Proportional to 331,616.69, 457,305.92 and 210,547.79

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Solution

The fourth proportional to 331,616.69, 457,305.92 and 210,547.79 is: 290,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,616.69 : 457,305.92 = 210,547.79 : x
  2. Step 2: Convert to fraction form
    331,616.69/457,305.92 = 210,547.79/x
  3. Step 3: Cross multiply
    331,616.69x = 457,305.92 × 210,547.79
  4. Step 4: Simplify right side
    331,616.69x = 96,284,747,470.65
  5. Step 5: Solve for x
    x = 96,284,747,470.65/331,616.69
  6. Step 6: Final answer
    x = 290,349.53

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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.