Home / 286,174.90-394,922.89-178,807.20

Finding the Fourth Proportional to 286,174.90, 394,922.89 and 178,807.20

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Solution

The fourth proportional to 286,174.90, 394,922.89 and 178,807.20 is: 246,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,174.90 : 394,922.89 = 178,807.20 : x
  2. Step 2: Convert to fraction form
    286,174.90/394,922.89 = 178,807.20/x
  3. Step 3: Cross multiply
    286,174.90x = 394,922.89 × 178,807.20
  4. Step 4: Simplify right side
    286,174.90x = 70,615,056,176.81
  5. Step 5: Solve for x
    x = 70,615,056,176.81/286,174.90
  6. Step 6: Final answer
    x = 246,754.89

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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.