Home / 306,052.20-459,078.30-211,573.80

Finding the Fourth Proportional to 306,052.20, 459,078.30 and 211,573.80

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Solution

The fourth proportional to 306,052.20, 459,078.30 and 211,573.80 is: 317,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,052.20 : 459,078.30 = 211,573.80 : x
  2. Step 2: Convert to fraction form
    306,052.20/459,078.30 = 211,573.80/x
  3. Step 3: Cross multiply
    306,052.20x = 459,078.30 × 211,573.80
  4. Step 4: Simplify right side
    306,052.20x = 97,128,940,428.54
  5. Step 5: Solve for x
    x = 97,128,940,428.54/306,052.20
  6. Step 6: Final answer
    x = 317,360.70

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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.