Finding the Fourth Proportional to 186,717.96, 257,662.98 and 101,829.96
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Solution
The fourth proportional to 186,717.96, 257,662.98 and 101,829.96 is: 140,521.09
Step by Step Solution
- Step 1: Write the proportion equation
186,717.96 : 257,662.98 = 101,829.96 : x - Step 2: Convert to fraction form
186,717.96/257,662.98 = 101,829.96/x - Step 3: Cross multiply
186,717.96x = 257,662.98 × 101,829.96 - Step 4: Simplify right side
186,717.96x = 26,237,810,946.88 - Step 5: Solve for x
x = 26,237,810,946.88/186,717.96 - Step 6: Final answer
x = 140,521.09
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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.