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Finding the Fourth Proportional to 499,342.14, 748,939.50 and 183,725.64

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Solution

The fourth proportional to 499,342.14, 748,939.50 and 183,725.64 is: 275,561.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,342.14 : 748,939.50 = 183,725.64 : x
  2. Step 2: Convert to fraction form
    499,342.14/748,939.50 = 183,725.64/x
  3. Step 3: Cross multiply
    499,342.14x = 748,939.50 × 183,725.64
  4. Step 4: Simplify right side
    499,342.14x = 137,599,388,958.78
  5. Step 5: Solve for x
    x = 137,599,388,958.78/499,342.14
  6. Step 6: Final answer
    x = 275,561.34

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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.