Finding the Fourth Proportional to 248,386.20, 342,119.97 and 190,915.62
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Solution
The fourth proportional to 248,386.20, 342,119.97 and 190,915.62 is: 262,961.65
Step by Step Solution
- Step 1: Write the proportion equation
248,386.20 : 342,119.97 = 190,915.62 : x - Step 2: Convert to fraction form
248,386.20/342,119.97 = 190,915.62/x - Step 3: Cross multiply
248,386.20x = 342,119.97 × 190,915.62 - Step 4: Simplify right side
248,386.20x = 65,316,046,186.93 - Step 5: Solve for x
x = 65,316,046,186.93/248,386.20 - Step 6: Final answer
x = 262,961.65
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1.5x scale
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.