Finding the Fourth Proportional to 186,448.80, 257,211.18 and 126,040.62
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Solution
The fourth proportional to 186,448.80, 257,211.18 and 126,040.62 is: 173,876.46
Step by Step Solution
- Step 1: Write the proportion equation
186,448.80 : 257,211.18 = 126,040.62 : x - Step 2: Convert to fraction form
186,448.80/257,211.18 = 126,040.62/x - Step 3: Cross multiply
186,448.80x = 257,211.18 × 126,040.62 - Step 4: Simplify right side
186,448.80x = 32,419,056,598.13 - Step 5: Solve for x
x = 32,419,056,598.13/186,448.80 - Step 6: Final answer
x = 173,876.46
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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.