Finding the Fourth Proportional to 137,899.68, 206,677.08 and 58,921.44
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Solution
The fourth proportional to 137,899.68, 206,677.08 and 58,921.44 is: 88,308.48
Step by Step Solution
- Step 1: Write the proportion equation
137,899.68 : 206,677.08 = 58,921.44 : x - Step 2: Convert to fraction form
137,899.68/206,677.08 = 58,921.44/x - Step 3: Cross multiply
137,899.68x = 206,677.08 × 58,921.44 - Step 4: Simplify right side
137,899.68x = 12,177,711,168.60 - Step 5: Solve for x
x = 12,177,711,168.60/137,899.68 - Step 6: Final answer
x = 88,308.48
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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.