Finding the Fourth Proportional to 151,292.09, 208,774.80 and 83,296.14
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Solution
The fourth proportional to 151,292.09, 208,774.80 and 83,296.14 is: 114,944.12
Step by Step Solution
- Step 1: Write the proportion equation
151,292.09 : 208,774.80 = 83,296.14 : x - Step 2: Convert to fraction form
151,292.09/208,774.80 = 83,296.14/x - Step 3: Cross multiply
151,292.09x = 208,774.80 × 83,296.14 - Step 4: Simplify right side
151,292.09x = 17,390,136,064.54 - Step 5: Solve for x
x = 17,390,136,064.54/151,292.09 - Step 6: Final answer
x = 114,944.12
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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.