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Finding the Fourth Proportional to 659,446.92, 989,212.32 and 186,169.32

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Solution

The fourth proportional to 659,446.92, 989,212.32 and 186,169.32 is: 279,265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,446.92 : 989,212.32 = 186,169.32 : x
  2. Step 2: Convert to fraction form
    659,446.92/989,212.32 = 186,169.32/x
  3. Step 3: Cross multiply
    659,446.92x = 989,212.32 × 186,169.32
  4. Step 4: Simplify right side
    659,446.92x = 184,160,984,950.02
  5. Step 5: Solve for x
    x = 184,160,984,950.02/659,446.92
  6. Step 6: Final answer
    x = 279,265.82

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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.