Finding the Fourth Proportional to 186,326.98, 257,135.88 and 101,448.70
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Solution
The fourth proportional to 186,326.98, 257,135.88 and 101,448.70 is: 140,001.74
Step by Step Solution
- Step 1: Write the proportion equation
186,326.98 : 257,135.88 = 101,448.70 : x - Step 2: Convert to fraction form
186,326.98/257,135.88 = 101,448.70/x - Step 3: Cross multiply
186,326.98x = 257,135.88 × 101,448.70 - Step 4: Simplify right side
186,326.98x = 26,086,100,749.36 - Step 5: Solve for x
x = 26,086,100,749.36/186,326.98 - Step 6: Final answer
x = 140,001.74
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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.