Finding the Fourth Proportional to 202,342.13, 279,232.14 and 112,918.13
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Solution
The fourth proportional to 202,342.13, 279,232.14 and 112,918.13 is: 155,827.02
Step by Step Solution
- Step 1: Write the proportion equation
202,342.13 : 279,232.14 = 112,918.13 : x - Step 2: Convert to fraction form
202,342.13/279,232.14 = 112,918.13/x - Step 3: Cross multiply
202,342.13x = 279,232.14 × 112,918.13 - Step 4: Simplify right side
202,342.13x = 31,530,371,084.70 - Step 5: Solve for x
x = 31,530,371,084.70/202,342.13 - Step 6: Final answer
x = 155,827.02
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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.