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Finding the Fourth Proportional to 219,714.80, 303,229.03 and 133,679.89

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Solution

The fourth proportional to 219,714.80, 303,229.03 and 133,679.89 is: 184,492.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,714.80 : 303,229.03 = 133,679.89 : x
  2. Step 2: Convert to fraction form
    219,714.80/303,229.03 = 133,679.89/x
  3. Step 3: Cross multiply
    219,714.80x = 303,229.03 × 133,679.89
  4. Step 4: Simplify right side
    219,714.80x = 40,535,624,711.51
  5. Step 5: Solve for x
    x = 40,535,624,711.51/219,714.80
  6. Step 6: Final answer
    x = 184,492.01

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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.