Finding the Fourth Proportional to 80,230.08, 110,719.08 and 44,419.08
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Solution
The fourth proportional to 80,230.08, 110,719.08 and 44,419.08 is: 61,299.20
Step by Step Solution
- Step 1: Write the proportion equation
80,230.08 : 110,719.08 = 44,419.08 : x - Step 2: Convert to fraction form
80,230.08/110,719.08 = 44,419.08/x - Step 3: Cross multiply
80,230.08x = 110,719.08 × 44,419.08 - Step 4: Simplify right side
80,230.08x = 4,918,039,672.05 - Step 5: Solve for x
x = 4,918,039,672.05/80,230.08 - Step 6: Final answer
x = 61,299.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.