Finding the Fourth Proportional to 202,539.51, 279,490.47 and 111,894.75
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Solution
The fourth proportional to 202,539.51, 279,490.47 and 111,894.75 is: 154,406.99
Step by Step Solution
- Step 1: Write the proportion equation
202,539.51 : 279,490.47 = 111,894.75 : x - Step 2: Convert to fraction form
202,539.51/279,490.47 = 111,894.75/x - Step 3: Cross multiply
202,539.51x = 279,490.47 × 111,894.75 - Step 4: Simplify right side
202,539.51x = 31,273,516,268.03 - Step 5: Solve for x
x = 31,273,516,268.03/202,539.51 - Step 6: Final answer
x = 154,406.99
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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.