Home / 445,780.35-668,647.02-146,221.50

Finding the Fourth Proportional to 445,780.35, 668,647.02 and 146,221.50

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Solution

The fourth proportional to 445,780.35, 668,647.02 and 146,221.50 is: 219,324.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,780.35 : 668,647.02 = 146,221.50 : x
  2. Step 2: Convert to fraction form
    445,780.35/668,647.02 = 146,221.50/x
  3. Step 3: Cross multiply
    445,780.35x = 668,647.02 × 146,221.50
  4. Step 4: Simplify right side
    445,780.35x = 97,770,570,234.93
  5. Step 5: Solve for x
    x = 97,770,570,234.93/445,780.35
  6. Step 6: Final answer
    x = 219,324.54

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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.