Home / 412,811.40-619,071.30-146,580.60

Finding the Fourth Proportional to 412,811.40, 619,071.30 and 146,580.60

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Solution

The fourth proportional to 412,811.40, 619,071.30 and 146,580.60 is: 219,819.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,811.40 : 619,071.30 = 146,580.60 : x
  2. Step 2: Convert to fraction form
    412,811.40/619,071.30 = 146,580.60/x
  3. Step 3: Cross multiply
    412,811.40x = 619,071.30 × 146,580.60
  4. Step 4: Simplify right side
    412,811.40x = 90,743,842,596.78
  5. Step 5: Solve for x
    x = 90,743,842,596.78/412,811.40
  6. Step 6: Final answer
    x = 219,819.13

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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.