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Finding the Fourth Proportional to 254,500.40, 381,750.60 and 195,633.20

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Solution

The fourth proportional to 254,500.40, 381,750.60 and 195,633.20 is: 293,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,500.40 : 381,750.60 = 195,633.20 : x
  2. Step 2: Convert to fraction form
    254,500.40/381,750.60 = 195,633.20/x
  3. Step 3: Cross multiply
    254,500.40x = 381,750.60 × 195,633.20
  4. Step 4: Simplify right side
    254,500.40x = 74,683,091,479.92
  5. Step 5: Solve for x
    x = 74,683,091,479.92/254,500.40
  6. Step 6: Final answer
    x = 293,449.80

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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.