Finding the Fourth Proportional to 200,202.08, 276,278.76 and 109,557.99
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Solution
The fourth proportional to 200,202.08, 276,278.76 and 109,557.99 is: 151,189.97
Step by Step Solution
- Step 1: Write the proportion equation
200,202.08 : 276,278.76 = 109,557.99 : x - Step 2: Convert to fraction form
200,202.08/276,278.76 = 109,557.99/x - Step 3: Cross multiply
200,202.08x = 276,278.76 × 109,557.99 - Step 4: Simplify right side
200,202.08x = 30,268,545,625.29 - Step 5: Solve for x
x = 30,268,545,625.29/200,202.08 - Step 6: Final answer
x = 151,189.97
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1.5x scale
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.