Home / 304,831.03-420,872.22-190,284.07

Finding the Fourth Proportional to 304,831.03, 420,872.22 and 190,284.07

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Solution

The fourth proportional to 304,831.03, 420,872.22 and 190,284.07 is: 262,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,831.03 : 420,872.22 = 190,284.07 : x
  2. Step 2: Convert to fraction form
    304,831.03/420,872.22 = 190,284.07/x
  3. Step 3: Cross multiply
    304,831.03x = 420,872.22 × 190,284.07
  4. Step 4: Simplify right side
    304,831.03x = 80,085,278,971.54
  5. Step 5: Solve for x
    x = 80,085,278,971.54/304,831.03
  6. Step 6: Final answer
    x = 262,720.23

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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.