Finding the Fourth Proportional to 197,916.48, 273,133.62 and 140,617.08
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Solution
The fourth proportional to 197,916.48, 273,133.62 and 140,617.08 is: 194,057.88
Step by Step Solution
- Step 1: Write the proportion equation
197,916.48 : 273,133.62 = 140,617.08 : x - Step 2: Convert to fraction form
197,916.48/273,133.62 = 140,617.08/x - Step 3: Cross multiply
197,916.48x = 273,133.62 × 140,617.08 - Step 4: Simplify right side
197,916.48x = 38,407,252,094.23 - Step 5: Solve for x
x = 38,407,252,094.23/197,916.48 - Step 6: Final answer
x = 194,057.88
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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.