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Finding the Fourth Proportional to 289,007.23, 433,635.42 and 120,560.71

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Solution

The fourth proportional to 289,007.23, 433,635.42 and 120,560.71 is: 180,893.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,007.23 : 433,635.42 = 120,560.71 : x
  2. Step 2: Convert to fraction form
    289,007.23/433,635.42 = 120,560.71/x
  3. Step 3: Cross multiply
    289,007.23x = 433,635.42 × 120,560.71
  4. Step 4: Simplify right side
    289,007.23x = 52,279,394,116.35
  5. Step 5: Solve for x
    x = 52,279,394,116.35/289,007.23
  6. Step 6: Final answer
    x = 180,893.03

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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.