Finding the Fourth Proportional to 97,815.96, 146,668.86 and 31,240.44
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Solution
The fourth proportional to 97,815.96, 146,668.86 and 31,240.44 is: 46,843.07
Step by Step Solution
- Step 1: Write the proportion equation
97,815.96 : 146,668.86 = 31,240.44 : x - Step 2: Convert to fraction form
97,815.96/146,668.86 = 31,240.44/x - Step 3: Cross multiply
97,815.96x = 146,668.86 × 31,240.44 - Step 4: Simplify right side
97,815.96x = 4,581,999,720.70 - Step 5: Solve for x
x = 4,581,999,720.70/97,815.96 - Step 6: Final answer
x = 46,843.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.