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Finding the Fourth Proportional to 446,492.89, 669,744.87 and 130,956.31

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Solution

The fourth proportional to 446,492.89, 669,744.87 and 130,956.31 is: 196,436.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,492.89 : 669,744.87 = 130,956.31 : x
  2. Step 2: Convert to fraction form
    446,492.89/669,744.87 = 130,956.31/x
  3. Step 3: Cross multiply
    446,492.89x = 669,744.87 × 130,956.31
  4. Step 4: Simplify right side
    446,492.89x = 87,707,316,816.63
  5. Step 5: Solve for x
    x = 87,707,316,816.63/446,492.89
  6. Step 6: Final answer
    x = 196,436.09

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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.