Finding the Fourth Proportional to 197,083.88, 271,975.75 and 107,659.88
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Solution
The fourth proportional to 197,083.88, 271,975.75 and 107,659.88 is: 148,570.63
Step by Step Solution
- Step 1: Write the proportion equation
197,083.88 : 271,975.75 = 107,659.88 : x - Step 2: Convert to fraction form
197,083.88/271,975.75 = 107,659.88/x - Step 3: Cross multiply
197,083.88x = 271,975.75 × 107,659.88 - Step 4: Simplify right side
197,083.88x = 29,280,876,607.91 - Step 5: Solve for x
x = 29,280,876,607.91/197,083.88 - Step 6: Final answer
x = 148,570.63
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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.