Home / 298,766.34-412,272.18-171,439.20

Finding the Fourth Proportional to 298,766.34, 412,272.18 and 171,439.20

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Solution

The fourth proportional to 298,766.34, 412,272.18 and 171,439.20 is: 236,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,766.34 : 412,272.18 = 171,439.20 : x
  2. Step 2: Convert to fraction form
    298,766.34/412,272.18 = 171,439.20/x
  3. Step 3: Cross multiply
    298,766.34x = 412,272.18 × 171,439.20
  4. Step 4: Simplify right side
    298,766.34x = 70,679,612,721.46
  5. Step 5: Solve for x
    x = 70,679,612,721.46/298,766.34
  6. Step 6: Final answer
    x = 236,571.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.