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Finding the Fourth Proportional to 294,239, 441,292.84 and 136,446.96

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Solution

The fourth proportional to 294,239, 441,292.84 and 136,446.96 is: 204,639.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,239 : 441,292.84 = 136,446.96 : x
  2. Step 2: Convert to fraction form
    294,239/441,292.84 = 136,446.96/x
  3. Step 3: Cross multiply
    294,239x = 441,292.84 × 136,446.96
  4. Step 4: Simplify right side
    294,239x = 60,213,066,487.77
  5. Step 5: Solve for x
    x = 60,213,066,487.77/294,239
  6. Step 6: Final answer
    x = 204,639.99

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1.5x scale

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.