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Finding the Fourth Proportional to 659,410.27, 989,104.57 and 210,124.94

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Solution

The fourth proportional to 659,410.27, 989,104.57 and 210,124.94 is: 315,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,410.27 : 989,104.57 = 210,124.94 : x
  2. Step 2: Convert to fraction form
    659,410.27/989,104.57 = 210,124.94/x
  3. Step 3: Cross multiply
    659,410.27x = 989,104.57 × 210,124.94
  4. Step 4: Simplify right side
    659,410.27x = 207,835,532,954.14
  5. Step 5: Solve for x
    x = 207,835,532,954.14/659,410.27
  6. Step 6: Final answer
    x = 315,183.95

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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.