Finding the Fourth Proportional to 248,338.50, 342,707.14 and 135,162.06
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Solution
The fourth proportional to 248,338.50, 342,707.14 and 135,162.06 is: 186,523.65
Step by Step Solution
- Step 1: Write the proportion equation
248,338.50 : 342,707.14 = 135,162.06 : x - Step 2: Convert to fraction form
248,338.50/342,707.14 = 135,162.06/x - Step 3: Cross multiply
248,338.50x = 342,707.14 × 135,162.06 - Step 4: Simplify right side
248,338.50x = 46,321,003,019.11 - Step 5: Solve for x
x = 46,321,003,019.11/248,338.50 - Step 6: Final answer
x = 186,523.65
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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.