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Finding the Fourth Proportional to 911,662.84, 1,367,495.24 and 237,743.56

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Solution

The fourth proportional to 911,662.84, 1,367,495.24 and 237,743.56 is: 356,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,662.84 : 1,367,495.24 = 237,743.56 : x
  2. Step 2: Convert to fraction form
    911,662.84/1,367,495.24 = 237,743.56/x
  3. Step 3: Cross multiply
    911,662.84x = 1,367,495.24 × 237,743.56
  4. Step 4: Simplify right side
    911,662.84x = 325,113,186,640.65
  5. Step 5: Solve for x
    x = 325,113,186,640.65/911,662.84
  6. Step 6: Final answer
    x = 356,615.60

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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.