Home / 250,831.05-346,048.31-143,343.42

Finding the Fourth Proportional to 250,831.05, 346,048.31 and 143,343.42

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Solution

The fourth proportional to 250,831.05, 346,048.31 and 143,343.42 is: 197,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,831.05 : 346,048.31 = 143,343.42 : x
  2. Step 2: Convert to fraction form
    250,831.05/346,048.31 = 143,343.42/x
  3. Step 3: Cross multiply
    250,831.05x = 346,048.31 × 143,343.42
  4. Step 4: Simplify right side
    250,831.05x = 49,603,747,523.90
  5. Step 5: Solve for x
    x = 49,603,747,523.90/250,831.05
  6. Step 6: Final answer
    x = 197,757.60

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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.