Finding the Fourth Proportional to 97,680.24, 146,512.26 and 31,117.68
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Solution
The fourth proportional to 97,680.24, 146,512.26 and 31,117.68 is: 46,673.94
Step by Step Solution
- Step 1: Write the proportion equation
97,680.24 : 146,512.26 = 31,117.68 : x - Step 2: Convert to fraction form
97,680.24/146,512.26 = 31,117.68/x - Step 3: Cross multiply
97,680.24x = 146,512.26 × 31,117.68 - Step 4: Simplify right side
97,680.24x = 4,559,121,622.76 - Step 5: Solve for x
x = 4,559,121,622.76/97,680.24 - Step 6: Final answer
x = 46,673.94
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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.