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Finding the Fourth Proportional to 440,564.58, 660,847.50 and 108,140.58

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Solution

The fourth proportional to 440,564.58, 660,847.50 and 108,140.58 is: 162,211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,564.58 : 660,847.50 = 108,140.58 : x
  2. Step 2: Convert to fraction form
    440,564.58/660,847.50 = 108,140.58/x
  3. Step 3: Cross multiply
    440,564.58x = 660,847.50 × 108,140.58
  4. Step 4: Simplify right side
    440,564.58x = 71,464,431,941.55
  5. Step 5: Solve for x
    x = 71,464,431,941.55/440,564.58
  6. Step 6: Final answer
    x = 162,211.02

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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.