Finding the Fourth Proportional to 234,318.92, 351,405.68 and 84,539.74
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Solution
The fourth proportional to 234,318.92, 351,405.68 and 84,539.74 is: 126,783.38
Step by Step Solution
- Step 1: Write the proportion equation
234,318.92 : 351,405.68 = 84,539.74 : x - Step 2: Convert to fraction form
234,318.92/351,405.68 = 84,539.74/x - Step 3: Cross multiply
234,318.92x = 351,405.68 × 84,539.74 - Step 4: Simplify right side
234,318.92x = 29,707,744,821.72 - Step 5: Solve for x
x = 29,707,744,821.72/234,318.92 - Step 6: Final answer
x = 126,783.38
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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.