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Finding the Fourth Proportional to 262,359.30, 393,636.15 and 252,639.30

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Solution

The fourth proportional to 262,359.30, 393,636.15 and 252,639.30 is: 379,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,359.30 : 393,636.15 = 252,639.30 : x
  2. Step 2: Convert to fraction form
    262,359.30/393,636.15 = 252,639.30/x
  3. Step 3: Cross multiply
    262,359.30x = 393,636.15 × 252,639.30
  4. Step 4: Simplify right side
    262,359.30x = 99,447,961,390.70
  5. Step 5: Solve for x
    x = 99,447,961,390.70/262,359.30
  6. Step 6: Final answer
    x = 379,052.55

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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.