Finding the Fourth Proportional to 178,893.87, 268,299.80 and 106,867.08
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Solution
The fourth proportional to 178,893.87, 268,299.80 and 106,867.08 is: 160,276.12
Step by Step Solution
- Step 1: Write the proportion equation
178,893.87 : 268,299.80 = 106,867.08 : x - Step 2: Convert to fraction form
178,893.87/268,299.80 = 106,867.08/x - Step 3: Cross multiply
178,893.87x = 268,299.80 × 106,867.08 - Step 4: Simplify right side
178,893.87x = 28,672,416,357.56 - Step 5: Solve for x
x = 28,672,416,357.56/178,893.87 - Step 6: Final answer
x = 160,276.12
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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.