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Finding the Fourth Proportional to 358,344.60, 494,527.13 and 205,411.73

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Solution

The fourth proportional to 358,344.60, 494,527.13 and 205,411.73 is: 283,474.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,344.60 : 494,527.13 = 205,411.73 : x
  2. Step 2: Convert to fraction form
    358,344.60/494,527.13 = 205,411.73/x
  3. Step 3: Cross multiply
    358,344.60x = 494,527.13 × 205,411.73
  4. Step 4: Simplify right side
    358,344.60x = 101,581,673,305.24
  5. Step 5: Solve for x
    x = 101,581,673,305.24/358,344.60
  6. Step 6: Final answer
    x = 283,474.83

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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.