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Finding the Fourth Proportional to 374,231.34, 560,968.77 and 161,138.22

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Solution

The fourth proportional to 374,231.34, 560,968.77 and 161,138.22 is: 241,544.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,231.34 : 560,968.77 = 161,138.22 : x
  2. Step 2: Convert to fraction form
    374,231.34/560,968.77 = 161,138.22/x
  3. Step 3: Cross multiply
    374,231.34x = 560,968.77 × 161,138.22
  4. Step 4: Simplify right side
    374,231.34x = 90,393,509,073.39
  5. Step 5: Solve for x
    x = 90,393,509,073.39/374,231.34
  6. Step 6: Final answer
    x = 241,544.47

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1.5x scale

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.