Finding the Fourth Proportional to 168,830.19, 253,183.59 and 73,994.99
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Solution
The fourth proportional to 168,830.19, 253,183.59 and 73,994.99 is: 110,965.44
Step by Step Solution
- Step 1: Write the proportion equation
168,830.19 : 253,183.59 = 73,994.99 : x - Step 2: Convert to fraction form
168,830.19/253,183.59 = 73,994.99/x - Step 3: Cross multiply
168,830.19x = 253,183.59 × 73,994.99 - Step 4: Simplify right side
168,830.19x = 18,734,315,944.30 - Step 5: Solve for x
x = 18,734,315,944.30/168,830.19 - Step 6: Final answer
x = 110,965.44
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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.