Home / 251,399.16-346,831.92-143,911.26

Finding the Fourth Proportional to 251,399.16, 346,831.92 and 143,911.26

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Solution

The fourth proportional to 251,399.16, 346,831.92 and 143,911.26 is: 198,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,399.16 : 346,831.92 = 143,911.26 : x
  2. Step 2: Convert to fraction form
    251,399.16/346,831.92 = 143,911.26/x
  3. Step 3: Cross multiply
    251,399.16x = 346,831.92 × 143,911.26
  4. Step 4: Simplify right side
    251,399.16x = 49,913,018,615.42
  5. Step 5: Solve for x
    x = 49,913,018,615.42/251,399.16
  6. Step 6: Final answer
    x = 198,540.91

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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.