Finding the Fourth Proportional to 354,677.09, 531,917.12 and 98,450.75
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Solution
The fourth proportional to 354,677.09, 531,917.12 and 98,450.75 is: 147,648.78
Step by Step Solution
- Step 1: Write the proportion equation
354,677.09 : 531,917.12 = 98,450.75 : x - Step 2: Convert to fraction form
354,677.09/531,917.12 = 98,450.75/x - Step 3: Cross multiply
354,677.09x = 531,917.12 × 98,450.75 - Step 4: Simplify right side
354,677.09x = 52,367,640,737.16 - Step 5: Solve for x
x = 52,367,640,737.16/354,677.09 - Step 6: Final answer
x = 147,648.78
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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.