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Finding the Fourth Proportional to 358,304.88, 494,207.82 and 243,516.15

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Solution

The fourth proportional to 358,304.88, 494,207.82 and 243,516.15 is: 335,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,304.88 : 494,207.82 = 243,516.15 : x
  2. Step 2: Convert to fraction form
    358,304.88/494,207.82 = 243,516.15/x
  3. Step 3: Cross multiply
    358,304.88x = 494,207.82 × 243,516.15
  4. Step 4: Simplify right side
    358,304.88x = 120,347,585,626.29
  5. Step 5: Solve for x
    x = 120,347,585,626.29/358,304.88
  6. Step 6: Final answer
    x = 335,880.40

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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.