Finding the Fourth Proportional to 202,877.73, 279,979.50 and 112,232.13
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Solution
The fourth proportional to 202,877.73, 279,979.50 and 112,232.13 is: 154,884.89
Step by Step Solution
- Step 1: Write the proportion equation
202,877.73 : 279,979.50 = 112,232.13 : x - Step 2: Convert to fraction form
202,877.73/279,979.50 = 112,232.13/x - Step 3: Cross multiply
202,877.73x = 279,979.50 × 112,232.13 - Step 4: Simplify right side
202,877.73x = 31,422,695,641.34 - Step 5: Solve for x
x = 31,422,695,641.34/202,877.73 - Step 6: Final answer
x = 154,884.89
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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.