Finding the Fourth Proportional to 202,437.60, 303,742.80 and 97,202.40
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Solution
The fourth proportional to 202,437.60, 303,742.80 and 97,202.40 is: 145,845.09
Step by Step Solution
- Step 1: Write the proportion equation
202,437.60 : 303,742.80 = 97,202.40 : x - Step 2: Convert to fraction form
202,437.60/303,742.80 = 97,202.40/x - Step 3: Cross multiply
202,437.60x = 303,742.80 × 97,202.40 - Step 4: Simplify right side
202,437.60x = 29,524,529,142.72 - Step 5: Solve for x
x = 29,524,529,142.72/202,437.60 - Step 6: Final answer
x = 145,845.09
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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.