Home / 443,811.08-665,439.25-187,511.90

Finding the Fourth Proportional to 443,811.08, 665,439.25 and 187,511.90

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Solution

The fourth proportional to 443,811.08, 665,439.25 and 187,511.90 is: 281,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,811.08 : 665,439.25 = 187,511.90 : x
  2. Step 2: Convert to fraction form
    443,811.08/665,439.25 = 187,511.90/x
  3. Step 3: Cross multiply
    443,811.08x = 665,439.25 × 187,511.90
  4. Step 4: Simplify right side
    443,811.08x = 124,777,774,657.68
  5. Step 5: Solve for x
    x = 124,777,774,657.68/443,811.08
  6. Step 6: Final answer
    x = 281,150.65

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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.