Finding the Fourth Proportional to 354,324.68, 531,489.02 and 88,085.19
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Solution
The fourth proportional to 354,324.68, 531,489.02 and 88,085.19 is: 132,128.28
Step by Step Solution
- Step 1: Write the proportion equation
354,324.68 : 531,489.02 = 88,085.19 : x - Step 2: Convert to fraction form
354,324.68/531,489.02 = 88,085.19/x - Step 3: Cross multiply
354,324.68x = 531,489.02 × 88,085.19 - Step 4: Simplify right side
354,324.68x = 46,816,310,869.19 - Step 5: Solve for x
x = 46,816,310,869.19/354,324.68 - Step 6: Final answer
x = 132,128.28
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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.