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Finding the Fourth Proportional to 273,239.40, 409,859.10 and 184,009.80

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Solution

The fourth proportional to 273,239.40, 409,859.10 and 184,009.80 is: 276,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,239.40 : 409,859.10 = 184,009.80 : x
  2. Step 2: Convert to fraction form
    273,239.40/409,859.10 = 184,009.80/x
  3. Step 3: Cross multiply
    273,239.40x = 409,859.10 × 184,009.80
  4. Step 4: Simplify right side
    273,239.40x = 75,418,091,019.18
  5. Step 5: Solve for x
    x = 75,418,091,019.18/273,239.40
  6. Step 6: Final answer
    x = 276,014.70

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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.