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Finding the Fourth Proportional to 606,800.31, 910,606.46 and 251,814.32

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Solution

The fourth proportional to 606,800.31, 910,606.46 and 251,814.32 is: 377,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,800.31 : 910,606.46 = 251,814.32 : x
  2. Step 2: Convert to fraction form
    606,800.31/910,606.46 = 251,814.32/x
  3. Step 3: Cross multiply
    606,800.31x = 910,606.46 × 251,814.32
  4. Step 4: Simplify right side
    606,800.31x = 229,303,744,115.18
  5. Step 5: Solve for x
    x = 229,303,744,115.18/606,800.31
  6. Step 6: Final answer
    x = 377,889.96

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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.