Home / 236,297.05-354,491.71-76,412.70

Finding the Fourth Proportional to 236,297.05, 354,491.71 and 76,412.70

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Solution

The fourth proportional to 236,297.05, 354,491.71 and 76,412.70 is: 114,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,297.05 : 354,491.71 = 76,412.70 : x
  2. Step 2: Convert to fraction form
    236,297.05/354,491.71 = 76,412.70/x
  3. Step 3: Cross multiply
    236,297.05x = 354,491.71 × 76,412.70
  4. Step 4: Simplify right side
    236,297.05x = 27,087,668,497.69
  5. Step 5: Solve for x
    x = 27,087,668,497.69/236,297.05
  6. Step 6: Final answer
    x = 114,633.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.