Home / 286,054.34-394,831.56-178,559.64

Finding the Fourth Proportional to 286,054.34, 394,831.56 and 178,559.64

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Solution

The fourth proportional to 286,054.34, 394,831.56 and 178,559.64 is: 246,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,054.34 : 394,831.56 = 178,559.64 : x
  2. Step 2: Convert to fraction form
    286,054.34/394,831.56 = 178,559.64/x
  3. Step 3: Cross multiply
    286,054.34x = 394,831.56 × 178,559.64
  4. Step 4: Simplify right side
    286,054.34x = 70,500,981,883.84
  5. Step 5: Solve for x
    x = 70,500,981,883.84/286,054.34
  6. Step 6: Final answer
    x = 246,460.11

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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.