Finding the Fourth Proportional to 151,735.68, 209,409.12 and 83,764.80
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Solution
The fourth proportional to 151,735.68, 209,409.12 and 83,764.80 is: 115,603.09
Step by Step Solution
- Step 1: Write the proportion equation
151,735.68 : 209,409.12 = 83,764.80 : x - Step 2: Convert to fraction form
151,735.68/209,409.12 = 83,764.80/x - Step 3: Cross multiply
151,735.68x = 209,409.12 × 83,764.80 - Step 4: Simplify right side
151,735.68x = 17,541,113,054.98 - Step 5: Solve for x
x = 17,541,113,054.98/151,735.68 - Step 6: Final answer
x = 115,603.09
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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.