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Finding the Fourth Proportional to 247,157.76, 341,052.48 and 151,668.48

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Solution

The fourth proportional to 247,157.76, 341,052.48 and 151,668.48 is: 209,287.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,157.76 : 341,052.48 = 151,668.48 : x
  2. Step 2: Convert to fraction form
    247,157.76/341,052.48 = 151,668.48/x
  3. Step 3: Cross multiply
    247,157.76x = 341,052.48 × 151,668.48
  4. Step 4: Simplify right side
    247,157.76x = 51,726,911,241.83
  5. Step 5: Solve for x
    x = 51,726,911,241.83/247,157.76
  6. Step 6: Final answer
    x = 209,287.02

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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.