Home / 276,946.96-415,420.44-66,584.90

Finding the Fourth Proportional to 276,946.96, 415,420.44 and 66,584.90

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Solution

The fourth proportional to 276,946.96, 415,420.44 and 66,584.90 is: 99,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,946.96 : 415,420.44 = 66,584.90 : x
  2. Step 2: Convert to fraction form
    276,946.96/415,420.44 = 66,584.90/x
  3. Step 3: Cross multiply
    276,946.96x = 415,420.44 × 66,584.90
  4. Step 4: Simplify right side
    276,946.96x = 27,660,728,455.36
  5. Step 5: Solve for x
    x = 27,660,728,455.36/276,946.96
  6. Step 6: Final answer
    x = 99,877.35

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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.