Home / 313,669.62-470,240.07-136,042.92

Finding the Fourth Proportional to 313,669.62, 470,240.07 and 136,042.92

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Solution

The fourth proportional to 313,669.62, 470,240.07 and 136,042.92 is: 203,949.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,669.62 : 470,240.07 = 136,042.92 : x
  2. Step 2: Convert to fraction form
    313,669.62/470,240.07 = 136,042.92/x
  3. Step 3: Cross multiply
    313,669.62x = 470,240.07 × 136,042.92
  4. Step 4: Simplify right side
    313,669.62x = 63,972,832,223.80
  5. Step 5: Solve for x
    x = 63,972,832,223.80/313,669.62
  6. Step 6: Final answer
    x = 203,949.72

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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.