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Finding the Fourth Proportional to 358,566, 494,956.44 and 281,885.04

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Solution

The fourth proportional to 358,566, 494,956.44 and 281,885.04 is: 389,107.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,566 : 494,956.44 = 281,885.04 : x
  2. Step 2: Convert to fraction form
    358,566/494,956.44 = 281,885.04/x
  3. Step 3: Cross multiply
    358,566x = 494,956.44 × 281,885.04
  4. Step 4: Simplify right side
    358,566x = 139,520,815,887.66
  5. Step 5: Solve for x
    x = 139,520,815,887.66/358,566
  6. Step 6: Final answer
    x = 389,107.77

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1.5x scale

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.