Home / 313,669.16-470,239.24-136,042.38

Finding the Fourth Proportional to 313,669.16, 470,239.24 and 136,042.38

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Solution

The fourth proportional to 313,669.16, 470,239.24 and 136,042.38 is: 203,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,669.16 : 470,239.24 = 136,042.38 : x
  2. Step 2: Convert to fraction form
    313,669.16/470,239.24 = 136,042.38/x
  3. Step 3: Cross multiply
    313,669.16x = 470,239.24 × 136,042.38
  4. Step 4: Simplify right side
    313,669.16x = 63,972,465,378.99
  5. Step 5: Solve for x
    x = 63,972,465,378.99/313,669.16
  6. Step 6: Final answer
    x = 203,948.85

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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.