Finding the Fourth Proportional to 202,602.40, 279,608.14 and 111,976.06
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Solution
The fourth proportional to 202,602.40, 279,608.14 and 111,976.06 is: 154,536.26
Step by Step Solution
- Step 1: Write the proportion equation
202,602.40 : 279,608.14 = 111,976.06 : x - Step 2: Convert to fraction form
202,602.40/279,608.14 = 111,976.06/x - Step 3: Cross multiply
202,602.40x = 279,608.14 × 111,976.06 - Step 4: Simplify right side
202,602.40x = 31,309,417,861.13 - Step 5: Solve for x
x = 31,309,417,861.13/202,602.40 - Step 6: Final answer
x = 154,536.26
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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.