Finding the Fourth Proportional to 179,589.81, 247,829.22 and 99,015.99
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Solution
The fourth proportional to 179,589.81, 247,829.22 and 99,015.99 is: 136,639.47
Step by Step Solution
- Step 1: Write the proportion equation
179,589.81 : 247,829.22 = 99,015.99 : x - Step 2: Convert to fraction form
179,589.81/247,829.22 = 99,015.99/x - Step 3: Cross multiply
179,589.81x = 247,829.22 × 99,015.99 - Step 4: Simplify right side
179,589.81x = 24,539,055,569.23 - Step 5: Solve for x
x = 24,539,055,569.23/179,589.81 - Step 6: Final answer
x = 136,639.47
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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.