Finding the Fourth Proportional to 198,213.33, 273,534.58 and 107,569.31
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Solution
The fourth proportional to 198,213.33, 273,534.58 and 107,569.31 is: 148,445.75
Step by Step Solution
- Step 1: Write the proportion equation
198,213.33 : 273,534.58 = 107,569.31 : x - Step 2: Convert to fraction form
198,213.33/273,534.58 = 107,569.31/x - Step 3: Cross multiply
198,213.33x = 273,534.58 × 107,569.31 - Step 4: Simplify right side
198,213.33x = 29,423,925,078.98 - Step 5: Solve for x
x = 29,423,925,078.98/198,213.33 - Step 6: Final answer
x = 148,445.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.