Finding the Fourth Proportional to 248,544.23, 342,990.99 and 135,366.98
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Solution
The fourth proportional to 248,544.23, 342,990.99 and 135,366.98 is: 186,806.40
Step by Step Solution
- Step 1: Write the proportion equation
248,544.23 : 342,990.99 = 135,366.98 : x - Step 2: Convert to fraction form
248,544.23/342,990.99 = 135,366.98/x - Step 3: Cross multiply
248,544.23x = 342,990.99 × 135,366.98 - Step 4: Simplify right side
248,544.23x = 46,429,652,768.56 - Step 5: Solve for x
x = 46,429,652,768.56/248,544.23 - Step 6: Final answer
x = 186,806.40
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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.