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Finding the Fourth Proportional to 499,614.08, 689,477.49 and 273,274.16

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Solution

The fourth proportional to 499,614.08, 689,477.49 and 273,274.16 is: 377,123.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,614.08 : 689,477.49 = 273,274.16 : x
  2. Step 2: Convert to fraction form
    499,614.08/689,477.49 = 273,274.16/x
  3. Step 3: Cross multiply
    499,614.08x = 689,477.49 × 273,274.16
  4. Step 4: Simplify right side
    499,614.08x = 188,416,378,471.27
  5. Step 5: Solve for x
    x = 188,416,378,471.27/499,614.08
  6. Step 6: Final answer
    x = 377,123.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.