Home / 313,239.51-469,859.27-76,579.38

Finding the Fourth Proportional to 313,239.51, 469,859.27 and 76,579.38

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Solution

The fourth proportional to 313,239.51, 469,859.27 and 76,579.38 is: 114,869.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,239.51 : 469,859.27 = 76,579.38 : x
  2. Step 2: Convert to fraction form
    313,239.51/469,859.27 = 76,579.38/x
  3. Step 3: Cross multiply
    313,239.51x = 469,859.27 × 76,579.38
  4. Step 4: Simplify right side
    313,239.51x = 35,981,531,583.85
  5. Step 5: Solve for x
    x = 35,981,531,583.85/313,239.51
  6. Step 6: Final answer
    x = 114,869.07

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1.5x scale

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.