Home / 266,815.15-368,204.78-145,956.41

Finding the Fourth Proportional to 266,815.15, 368,204.78 and 145,956.41

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Solution

The fourth proportional to 266,815.15, 368,204.78 and 145,956.41 is: 201,419.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,815.15 : 368,204.78 = 145,956.41 : x
  2. Step 2: Convert to fraction form
    266,815.15/368,204.78 = 145,956.41/x
  3. Step 3: Cross multiply
    266,815.15x = 368,204.78 × 145,956.41
  4. Step 4: Simplify right side
    266,815.15x = 53,741,846,357.51
  5. Step 5: Solve for x
    x = 53,741,846,357.51/266,815.15
  6. Step 6: Final answer
    x = 201,419.77

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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.