Finding the Fourth Proportional to 187,805.97, 259,090.79 and 124,232.49
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Solution
The fourth proportional to 187,805.97, 259,090.79 and 124,232.49 is: 171,386.96
Step by Step Solution
- Step 1: Write the proportion equation
187,805.97 : 259,090.79 = 124,232.49 : x - Step 2: Convert to fraction form
187,805.97/259,090.79 = 124,232.49/x - Step 3: Cross multiply
187,805.97x = 259,090.79 × 124,232.49 - Step 4: Simplify right side
187,805.97x = 32,187,493,356.60 - Step 5: Solve for x
x = 32,187,493,356.60/187,805.97 - Step 6: Final answer
x = 171,386.96
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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.