Finding the Fourth Proportional to 137,139.48, 205,635.26 and 62,218.75
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Solution
The fourth proportional to 137,139.48, 205,635.26 and 62,218.75 is: 93,294.56
Step by Step Solution
- Step 1: Write the proportion equation
137,139.48 : 205,635.26 = 62,218.75 : x - Step 2: Convert to fraction form
137,139.48/205,635.26 = 62,218.75/x - Step 3: Cross multiply
137,139.48x = 205,635.26 × 62,218.75 - Step 4: Simplify right side
137,139.48x = 12,794,368,007.94 - Step 5: Solve for x
x = 12,794,368,007.94/137,139.48 - Step 6: Final answer
x = 93,294.56
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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.