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Finding the Fourth Proportional to 311,200.40, 466,800.60 and 306,534.80

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Solution

The fourth proportional to 311,200.40, 466,800.60 and 306,534.80 is: 459,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,200.40 : 466,800.60 = 306,534.80 : x
  2. Step 2: Convert to fraction form
    311,200.40/466,800.60 = 306,534.80/x
  3. Step 3: Cross multiply
    311,200.40x = 466,800.60 × 306,534.80
  4. Step 4: Simplify right side
    311,200.40x = 143,090,628,560.88
  5. Step 5: Solve for x
    x = 143,090,628,560.88/311,200.40
  6. Step 6: Final answer
    x = 459,802.20

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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.