Home / 272,456.34-408,480.90-187,975.44

Finding the Fourth Proportional to 272,456.34, 408,480.90 and 187,975.44

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Solution

The fourth proportional to 272,456.34, 408,480.90 and 187,975.44 is: 281,822.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,456.34 : 408,480.90 = 187,975.44 : x
  2. Step 2: Convert to fraction form
    272,456.34/408,480.90 = 187,975.44/x
  3. Step 3: Cross multiply
    272,456.34x = 408,480.90 × 187,975.44
  4. Step 4: Simplify right side
    272,456.34x = 76,784,373,926.81
  5. Step 5: Solve for x
    x = 76,784,373,926.81/272,456.34
  6. Step 6: Final answer
    x = 281,822.67

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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.