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Finding the Fourth Proportional to 271,295.88, 406,812.60 and 93,740.64

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Solution

The fourth proportional to 271,295.88, 406,812.60 and 93,740.64 is: 140,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,295.88 : 406,812.60 = 93,740.64 : x
  2. Step 2: Convert to fraction form
    271,295.88/406,812.60 = 93,740.64/x
  3. Step 3: Cross multiply
    271,295.88x = 406,812.60 × 93,740.64
  4. Step 4: Simplify right side
    271,295.88x = 38,134,873,484.06
  5. Step 5: Solve for x
    x = 38,134,873,484.06/271,295.88
  6. Step 6: Final answer
    x = 140,565.62

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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.