Finding the Fourth Proportional to 79,454.80, 119,268.60 and 44,462.80
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Solution
The fourth proportional to 79,454.80, 119,268.60 and 44,462.80 is: 66,742.55
Step by Step Solution
- Step 1: Write the proportion equation
79,454.80 : 119,268.60 = 44,462.80 : x - Step 2: Convert to fraction form
79,454.80/119,268.60 = 44,462.80/x - Step 3: Cross multiply
79,454.80x = 119,268.60 × 44,462.80 - Step 4: Simplify right side
79,454.80x = 5,303,015,908.08 - Step 5: Solve for x
x = 5,303,015,908.08/79,454.80 - Step 6: Final answer
x = 66,742.55
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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.