Home / 414,546.60-621,819.90-148,315.80

Finding the Fourth Proportional to 414,546.60, 621,819.90 and 148,315.80

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Solution

The fourth proportional to 414,546.60, 621,819.90 and 148,315.80 is: 222,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,546.60 : 621,819.90 = 148,315.80 : x
  2. Step 2: Convert to fraction form
    414,546.60/621,819.90 = 148,315.80/x
  3. Step 3: Cross multiply
    414,546.60x = 621,819.90 × 148,315.80
  4. Step 4: Simplify right side
    414,546.60x = 92,225,715,924.42
  5. Step 5: Solve for x
    x = 92,225,715,924.42/414,546.60
  6. Step 6: Final answer
    x = 222,473.70

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1.5x scale

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.