Finding the Fourth Proportional to 155,442.75, 214,511.00 and 88,374.75
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Solution
The fourth proportional to 155,442.75, 214,511.00 and 88,374.75 is: 121,957.16
Step by Step Solution
- Step 1: Write the proportion equation
155,442.75 : 214,511.00 = 88,374.75 : x - Step 2: Convert to fraction form
155,442.75/214,511.00 = 88,374.75/x - Step 3: Cross multiply
155,442.75x = 214,511.00 × 88,374.75 - Step 4: Simplify right side
155,442.75x = 18,957,355,555.38 - Step 5: Solve for x
x = 18,957,355,555.38/155,442.75 - Step 6: Final answer
x = 121,957.16
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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.