Home / 412,986.78-619,705.80-160,277.22

Finding the Fourth Proportional to 412,986.78, 619,705.80 and 160,277.22

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Solution

The fourth proportional to 412,986.78, 619,705.80 and 160,277.22 is: 240,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,986.78 : 619,705.80 = 160,277.22 : x
  2. Step 2: Convert to fraction form
    412,986.78/619,705.80 = 160,277.22/x
  3. Step 3: Cross multiply
    412,986.78x = 619,705.80 × 160,277.22
  4. Step 4: Simplify right side
    412,986.78x = 99,324,722,841.88
  5. Step 5: Solve for x
    x = 99,324,722,841.88/412,986.78
  6. Step 6: Final answer
    x = 240,503.40

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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.