Finding the Fourth Proportional to 198,213.08, 273,534.23 and 107,569.06
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Solution
The fourth proportional to 198,213.08, 273,534.23 and 107,569.06 is: 148,445.40
Step by Step Solution
- Step 1: Write the proportion equation
198,213.08 : 273,534.23 = 107,569.06 : x - Step 2: Convert to fraction form
198,213.08/273,534.23 = 107,569.06/x - Step 3: Cross multiply
198,213.08x = 273,534.23 × 107,569.06 - Step 4: Simplify right side
198,213.08x = 29,423,819,584.01 - Step 5: Solve for x
x = 29,423,819,584.01/198,213.08 - Step 6: Final answer
x = 148,445.40
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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.