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Finding the Fourth Proportional to 433,666.88, 650,562.30 and 134,173.04

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Solution

The fourth proportional to 433,666.88, 650,562.30 and 134,173.04 is: 201,278.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,666.88 : 650,562.30 = 134,173.04 : x
  2. Step 2: Convert to fraction form
    433,666.88/650,562.30 = 134,173.04/x
  3. Step 3: Cross multiply
    433,666.88x = 650,562.30 × 134,173.04
  4. Step 4: Simplify right side
    433,666.88x = 87,287,921,500.39
  5. Step 5: Solve for x
    x = 87,287,921,500.39/433,666.88
  6. Step 6: Final answer
    x = 201,278.74

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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.