Home / 298,729.24-412,242.60-162,769

Finding the Fourth Proportional to 298,729.24, 412,242.60 and 162,769

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Solution

The fourth proportional to 298,729.24, 412,242.60 and 162,769 is: 224,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,729.24 : 412,242.60 = 162,769 : x
  2. Step 2: Convert to fraction form
    298,729.24/412,242.60 = 162,769/x
  3. Step 3: Cross multiply
    298,729.24x = 412,242.60 × 162,769
  4. Step 4: Simplify right side
    298,729.24x = 67,100,315,759.40
  5. Step 5: Solve for x
    x = 67,100,315,759.40/298,729.24
  6. Step 6: Final answer
    x = 224,619.18

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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.