Home / 277,078.12-415,015.64-170,137.46

Finding the Fourth Proportional to 277,078.12, 415,015.64 and 170,137.46

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Solution

The fourth proportional to 277,078.12, 415,015.64 and 170,137.46 is: 254,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,078.12 : 415,015.64 = 170,137.46 : x
  2. Step 2: Convert to fraction form
    277,078.12/415,015.64 = 170,137.46/x
  3. Step 3: Cross multiply
    277,078.12x = 415,015.64 × 170,137.46
  4. Step 4: Simplify right side
    277,078.12x = 70,609,706,849.87
  5. Step 5: Solve for x
    x = 70,609,706,849.87/277,078.12
  6. Step 6: Final answer
    x = 254,836.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.