Finding the Fourth Proportional to 200,647.08, 276,921.18 and 124,190.70
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Solution
The fourth proportional to 200,647.08, 276,921.18 and 124,190.70 is: 171,400.63
Step by Step Solution
- Step 1: Write the proportion equation
200,647.08 : 276,921.18 = 124,190.70 : x - Step 2: Convert to fraction form
200,647.08/276,921.18 = 124,190.70/x - Step 3: Cross multiply
200,647.08x = 276,921.18 × 124,190.70 - Step 4: Simplify right side
200,647.08x = 34,391,035,189.03 - Step 5: Solve for x
x = 34,391,035,189.03/200,647.08 - Step 6: Final answer
x = 171,400.63
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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.