Finding the Fourth Proportional to 168,183.56, 252,258.96 and 68,349.74
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Solution
The fourth proportional to 168,183.56, 252,258.96 and 68,349.74 is: 102,517.95
Step by Step Solution
- Step 1: Write the proportion equation
168,183.56 : 252,258.96 = 68,349.74 : x - Step 2: Convert to fraction form
168,183.56/252,258.96 = 68,349.74/x - Step 3: Cross multiply
168,183.56x = 252,258.96 × 68,349.74 - Step 4: Simplify right side
168,183.56x = 17,241,834,328.67 - Step 5: Solve for x
x = 17,241,834,328.67/168,183.56 - Step 6: Final answer
x = 102,517.95
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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.