Finding the Fourth Proportional to 248,727.75, 343,246.73 and 135,552.93
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Solution
The fourth proportional to 248,727.75, 343,246.73 and 135,552.93 is: 187,064.37
Step by Step Solution
- Step 1: Write the proportion equation
248,727.75 : 343,246.73 = 135,552.93 : x - Step 2: Convert to fraction form
248,727.75/343,246.73 = 135,552.93/x - Step 3: Cross multiply
248,727.75x = 343,246.73 × 135,552.93 - Step 4: Simplify right side
248,727.75x = 46,528,099,286.65 - Step 5: Solve for x
x = 46,528,099,286.65/248,727.75 - Step 6: Final answer
x = 187,064.37
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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.