Finding the Fourth Proportional to 78,245.36, 117,374.62 and 24,944.92
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Solution
The fourth proportional to 78,245.36, 117,374.62 and 24,944.92 is: 37,419.48
Step by Step Solution
- Step 1: Write the proportion equation
78,245.36 : 117,374.62 = 24,944.92 : x - Step 2: Convert to fraction form
78,245.36/117,374.62 = 24,944.92/x - Step 3: Cross multiply
78,245.36x = 117,374.62 × 24,944.92 - Step 4: Simplify right side
78,245.36x = 2,927,900,505.93 - Step 5: Solve for x
x = 2,927,900,505.93/78,245.36 - Step 6: Final answer
x = 37,419.48
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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.