Finding the Fourth Proportional to 170,403.68, 235,174.57 and 102,442.65
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Solution
The fourth proportional to 170,403.68, 235,174.57 and 102,442.65 is: 141,381.38
Step by Step Solution
- Step 1: Write the proportion equation
170,403.68 : 235,174.57 = 102,442.65 : x - Step 2: Convert to fraction form
170,403.68/235,174.57 = 102,442.65/x - Step 3: Cross multiply
170,403.68x = 235,174.57 × 102,442.65 - Step 4: Simplify right side
170,403.68x = 24,091,906,163.41 - Step 5: Solve for x
x = 24,091,906,163.41/170,403.68 - Step 6: Final answer
x = 141,381.38
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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.