Home / 412,940.20-619,256.70-163,570.60

Finding the Fourth Proportional to 412,940.20, 619,256.70 and 163,570.60

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Solution

The fourth proportional to 412,940.20, 619,256.70 and 163,570.60 is: 245,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,940.20 : 619,256.70 = 163,570.60 : x
  2. Step 2: Convert to fraction form
    412,940.20/619,256.70 = 163,570.60/x
  3. Step 3: Cross multiply
    412,940.20x = 619,256.70 × 163,570.60
  4. Step 4: Simplify right side
    412,940.20x = 101,292,189,973.02
  5. Step 5: Solve for x
    x = 101,292,189,973.02/412,940.20
  6. Step 6: Final answer
    x = 245,295.06

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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.