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Finding the Fourth Proportional to 304,994.02, 420,790.92 and 184,089.37

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Solution

The fourth proportional to 304,994.02, 420,790.92 and 184,089.37 is: 253,982.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,994.02 : 420,790.92 = 184,089.37 : x
  2. Step 2: Convert to fraction form
    304,994.02/420,790.92 = 184,089.37/x
  3. Step 3: Cross multiply
    304,994.02x = 420,790.92 × 184,089.37
  4. Step 4: Simplify right side
    304,994.02x = 77,463,135,364.52
  5. Step 5: Solve for x
    x = 77,463,135,364.52/304,994.02
  6. Step 6: Final answer
    x = 253,982.47

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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.