Home / 665,236.44-997,399.20-238,762.80

Finding the Fourth Proportional to 665,236.44, 997,399.20 and 238,762.80

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Solution

The fourth proportional to 665,236.44, 997,399.20 and 238,762.80 is: 357,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,236.44 : 997,399.20 = 238,762.80 : x
  2. Step 2: Convert to fraction form
    665,236.44/997,399.20 = 238,762.80/x
  3. Step 3: Cross multiply
    665,236.44x = 997,399.20 × 238,762.80
  4. Step 4: Simplify right side
    665,236.44x = 238,141,825,709.76
  5. Step 5: Solve for x
    x = 238,141,825,709.76/665,236.44
  6. Step 6: Final answer
    x = 357,980.73

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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.