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Finding the Fourth Proportional to 275,234.40, 384,861.60 and 275,234.40

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Solution

The fourth proportional to 275,234.40, 384,861.60 and 275,234.40 is: 384,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,234.40 : 384,861.60 = 275,234.40 : x
  2. Step 2: Convert to fraction form
    275,234.40/384,861.60 = 275,234.40/x
  3. Step 3: Cross multiply
    275,234.40x = 384,861.60 × 275,234.40
  4. Step 4: Simplify right side
    275,234.40x = 105,927,151,559.04
  5. Step 5: Solve for x
    x = 105,927,151,559.04/275,234.40
  6. Step 6: Final answer
    x = 384,861.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.