Finding the Fourth Proportional to 172,327.59, 237,809.79 and 96,876.09
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Solution
The fourth proportional to 172,327.59, 237,809.79 and 96,876.09 is: 133,687.72
Step by Step Solution
- Step 1: Write the proportion equation
172,327.59 : 237,809.79 = 96,876.09 : x - Step 2: Convert to fraction form
172,327.59/237,809.79 = 96,876.09/x - Step 3: Cross multiply
172,327.59x = 237,809.79 × 96,876.09 - Step 4: Simplify right side
172,327.59x = 23,038,082,618.92 - Step 5: Solve for x
x = 23,038,082,618.92/172,327.59 - Step 6: Final answer
x = 133,687.72
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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.