Finding the Fourth Proportional to 248,995.75, 343,615.23 and 135,820.93
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Solution
The fourth proportional to 248,995.75, 343,615.23 and 135,820.93 is: 187,433.48
Step by Step Solution
- Step 1: Write the proportion equation
248,995.75 : 343,615.23 = 135,820.93 : x - Step 2: Convert to fraction form
248,995.75/343,615.23 = 135,820.93/x - Step 3: Cross multiply
248,995.75x = 343,615.23 × 135,820.93 - Step 4: Simplify right side
248,995.75x = 46,670,140,100.76 - Step 5: Solve for x
x = 46,670,140,100.76/248,995.75 - Step 6: Final answer
x = 187,433.48
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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.