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Finding the Fourth Proportional to 222,271.87, 306,732.81 and 120,295.12

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Solution

The fourth proportional to 222,271.87, 306,732.81 and 120,295.12 is: 166,005.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,271.87 : 306,732.81 = 120,295.12 : x
  2. Step 2: Convert to fraction form
    222,271.87/306,732.81 = 120,295.12/x
  3. Step 3: Cross multiply
    222,271.87x = 306,732.81 × 120,295.12
  4. Step 4: Simplify right side
    222,271.87x = 36,898,460,186.89
  5. Step 5: Solve for x
    x = 36,898,460,186.89/222,271.87
  6. Step 6: Final answer
    x = 166,005.98

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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.