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Finding the Fourth Proportional to 436,893.49, 655,429.61 and 184,174.03

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Solution

The fourth proportional to 436,893.49, 655,429.61 and 184,174.03 is: 276,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,893.49 : 655,429.61 = 184,174.03 : x
  2. Step 2: Convert to fraction form
    436,893.49/655,429.61 = 184,174.03/x
  3. Step 3: Cross multiply
    436,893.49x = 655,429.61 × 184,174.03
  4. Step 4: Simplify right side
    436,893.49x = 120,713,110,095.58
  5. Step 5: Solve for x
    x = 120,713,110,095.58/436,893.49
  6. Step 6: Final answer
    x = 276,298.72

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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.