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Finding the Fourth Proportional to 565,736.65, 848,631.55 and 186,690.51

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Solution

The fourth proportional to 565,736.65, 848,631.55 and 186,690.51 is: 280,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,736.65 : 848,631.55 = 186,690.51 : x
  2. Step 2: Convert to fraction form
    565,736.65/848,631.55 = 186,690.51/x
  3. Step 3: Cross multiply
    565,736.65x = 848,631.55 × 186,690.51
  4. Step 4: Simplify right side
    565,736.65x = 158,431,456,404.86
  5. Step 5: Solve for x
    x = 158,431,456,404.86/565,736.65
  6. Step 6: Final answer
    x = 280,044.54

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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.