Finding the Fourth Proportional to 170,415.30, 235,190.62 and 102,454.42
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Solution
The fourth proportional to 170,415.30, 235,190.62 and 102,454.42 is: 141,397.62
Step by Step Solution
- Step 1: Write the proportion equation
170,415.30 : 235,190.62 = 102,454.42 : x - Step 2: Convert to fraction form
170,415.30/235,190.62 = 102,454.42/x - Step 3: Cross multiply
170,415.30x = 235,190.62 × 102,454.42 - Step 4: Simplify right side
170,415.30x = 24,096,318,561.54 - Step 5: Solve for x
x = 24,096,318,561.54/170,415.30 - Step 6: Final answer
x = 141,397.62
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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.