Home / 412,784.20-619,190.12-146,565.48

Finding the Fourth Proportional to 412,784.20, 619,190.12 and 146,565.48

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Solution

The fourth proportional to 412,784.20, 619,190.12 and 146,565.48 is: 219,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,784.20 : 619,190.12 = 146,565.48 : x
  2. Step 2: Convert to fraction form
    412,784.20/619,190.12 = 146,565.48/x
  3. Step 3: Cross multiply
    412,784.20x = 619,190.12 × 146,565.48
  4. Step 4: Simplify right side
    412,784.20x = 90,751,897,149.06
  5. Step 5: Solve for x
    x = 90,751,897,149.06/412,784.20
  6. Step 6: Final answer
    x = 219,853.13

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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.