Finding the Fourth Proportional to 170,403.18, 235,173.88 and 102,442.15
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Solution
The fourth proportional to 170,403.18, 235,173.88 and 102,442.15 is: 141,380.69
Step by Step Solution
- Step 1: Write the proportion equation
170,403.18 : 235,173.88 = 102,442.15 : x - Step 2: Convert to fraction form
170,403.18/235,173.88 = 102,442.15/x - Step 3: Cross multiply
170,403.18x = 235,173.88 × 102,442.15 - Step 4: Simplify right side
170,403.18x = 24,091,717,891.04 - Step 5: Solve for x
x = 24,091,717,891.04/170,403.18 - Step 6: Final answer
x = 141,380.69
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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.