Finding the Fourth Proportional to 137,365.62, 206,179.68 and 84,877.62
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Solution
The fourth proportional to 137,365.62, 206,179.68 and 84,877.62 is: 127,397.53
Step by Step Solution
- Step 1: Write the proportion equation
137,365.62 : 206,179.68 = 84,877.62 : x - Step 2: Convert to fraction form
137,365.62/206,179.68 = 84,877.62/x - Step 3: Cross multiply
137,365.62x = 206,179.68 × 84,877.62 - Step 4: Simplify right side
137,365.62x = 17,500,040,530.76 - Step 5: Solve for x
x = 17,500,040,530.76/137,365.62 - Step 6: Final answer
x = 127,397.53
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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.