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Finding the Fourth Proportional to 436,931.82, 655,652.48 and 184,196.84

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Solution

The fourth proportional to 436,931.82, 655,652.48 and 184,196.84 is: 276,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,931.82 : 655,652.48 = 184,196.84 : x
  2. Step 2: Convert to fraction form
    436,931.82/655,652.48 = 184,196.84/x
  3. Step 3: Cross multiply
    436,931.82x = 655,652.48 × 184,196.84
  4. Step 4: Simplify right side
    436,931.82x = 120,769,110,754.92
  5. Step 5: Solve for x
    x = 120,769,110,754.92/436,931.82
  6. Step 6: Final answer
    x = 276,402.65

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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.