Finding the Fourth Proportional to 146,611.60, 202,302.50 and 82,077.48
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Solution
The fourth proportional to 146,611.60, 202,302.50 and 82,077.48 is: 113,254.88
Step by Step Solution
- Step 1: Write the proportion equation
146,611.60 : 202,302.50 = 82,077.48 : x - Step 2: Convert to fraction form
146,611.60/202,302.50 = 82,077.48/x - Step 3: Cross multiply
146,611.60x = 202,302.50 × 82,077.48 - Step 4: Simplify right side
146,611.60x = 16,604,478,987.31 - Step 5: Solve for x
x = 16,604,478,987.31/146,611.60 - Step 6: Final answer
x = 113,254.88
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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.