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Finding the Fourth Proportional to 433,659.89, 650,551.80 and 134,166.03

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Solution

The fourth proportional to 433,659.89, 650,551.80 and 134,166.03 is: 201,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,659.89 : 650,551.80 = 134,166.03 : x
  2. Step 2: Convert to fraction form
    433,659.89/650,551.80 = 134,166.03/x
  3. Step 3: Cross multiply
    433,659.89x = 650,551.80 × 134,166.03
  4. Step 4: Simplify right side
    433,659.89x = 87,281,952,315.35
  5. Step 5: Solve for x
    x = 87,281,952,315.35/433,659.89
  6. Step 6: Final answer
    x = 201,268.22

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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.