Finding the Fourth Proportional to 135,052.60, 202,287.30 and 87,813.40
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Solution
The fourth proportional to 135,052.60, 202,287.30 and 87,813.40 is: 131,530.50
Step by Step Solution
- Step 1: Write the proportion equation
135,052.60 : 202,287.30 = 87,813.40 : x - Step 2: Convert to fraction form
135,052.60/202,287.30 = 87,813.40/x - Step 3: Cross multiply
135,052.60x = 202,287.30 × 87,813.40 - Step 4: Simplify right side
135,052.60x = 17,763,535,589.82 - Step 5: Solve for x
x = 17,763,535,589.82/135,052.60 - Step 6: Final answer
x = 131,530.50
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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.