Home / 340,318.26-469,767.33-255,679.74

Finding the Fourth Proportional to 340,318.26, 469,767.33 and 255,679.74

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Solution

The fourth proportional to 340,318.26, 469,767.33 and 255,679.74 is: 352,934.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,318.26 : 469,767.33 = 255,679.74 : x
  2. Step 2: Convert to fraction form
    340,318.26/469,767.33 = 255,679.74/x
  3. Step 3: Cross multiply
    340,318.26x = 469,767.33 × 255,679.74
  4. Step 4: Simplify right side
    340,318.26x = 120,109,988,794.89
  5. Step 5: Solve for x
    x = 120,109,988,794.89/340,318.26
  6. Step 6: Final answer
    x = 352,934.31

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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.