Finding the Fourth Proportional to 248,971.62, 343,579.26 and 141,541.68
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Solution
The fourth proportional to 248,971.62, 343,579.26 and 141,541.68 is: 195,326.62
Step by Step Solution
- Step 1: Write the proportion equation
248,971.62 : 343,579.26 = 141,541.68 : x - Step 2: Convert to fraction form
248,971.62/343,579.26 = 141,541.68/x - Step 3: Cross multiply
248,971.62x = 343,579.26 × 141,541.68 - Step 4: Simplify right side
248,971.62x = 48,630,785,673.56 - Step 5: Solve for x
x = 48,630,785,673.56/248,971.62 - Step 6: Final answer
x = 195,326.62
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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.