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Finding the Fourth Proportional to 433,659.60, 650,465.10 and 134,137.80

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Solution

The fourth proportional to 433,659.60, 650,465.10 and 134,137.80 is: 201,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,659.60 : 650,465.10 = 134,137.80 : x
  2. Step 2: Convert to fraction form
    433,659.60/650,465.10 = 134,137.80/x
  3. Step 3: Cross multiply
    433,659.60x = 650,465.10 × 134,137.80
  4. Step 4: Simplify right side
    433,659.60x = 87,251,957,490.78
  5. Step 5: Solve for x
    x = 87,251,957,490.78/433,659.60
  6. Step 6: Final answer
    x = 201,199.18

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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.