Home / 276,973.38-415,515.94-87,463.34

Finding the Fourth Proportional to 276,973.38, 415,515.94 and 87,463.34

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Solution

The fourth proportional to 276,973.38, 415,515.94 and 87,463.34 is: 131,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,973.38 : 415,515.94 = 87,463.34 : x
  2. Step 2: Convert to fraction form
    276,973.38/415,515.94 = 87,463.34/x
  3. Step 3: Cross multiply
    276,973.38x = 415,515.94 × 87,463.34
  4. Step 4: Simplify right side
    276,973.38x = 36,342,411,935.64
  5. Step 5: Solve for x
    x = 36,342,411,935.64/276,973.38
  6. Step 6: Final answer
    x = 131,212.65

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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.