Finding the Fourth Proportional to 198,158.00, 273,506.68 and 121,695.31
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Solution
The fourth proportional to 198,158.00, 273,506.68 and 121,695.31 is: 167,969.40
Step by Step Solution
- Step 1: Write the proportion equation
198,158.00 : 273,506.68 = 121,695.31 : x - Step 2: Convert to fraction form
198,158.00/273,506.68 = 121,695.31/x - Step 3: Cross multiply
198,158.00x = 273,506.68 × 121,695.31 - Step 4: Simplify right side
198,158.00x = 33,284,480,019.14 - Step 5: Solve for x
x = 33,284,480,019.14/198,158.00 - Step 6: Final answer
x = 167,969.40
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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.