Home / 250,831.68-346,049.17-143,344.05

Finding the Fourth Proportional to 250,831.68, 346,049.17 and 143,344.05

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Solution

The fourth proportional to 250,831.68, 346,049.17 and 143,344.05 is: 197,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,831.68 : 346,049.17 = 143,344.05 : x
  2. Step 2: Convert to fraction form
    250,831.68/346,049.17 = 143,344.05/x
  3. Step 3: Cross multiply
    250,831.68x = 346,049.17 × 143,344.05
  4. Step 4: Simplify right side
    250,831.68x = 49,604,089,526.94
  5. Step 5: Solve for x
    x = 49,604,089,526.94/250,831.68
  6. Step 6: Final answer
    x = 197,758.47

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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.