Finding the Fourth Proportional to 248,315.44, 342,664.68 and 135,137.92
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Solution
The fourth proportional to 248,315.44, 342,664.68 and 135,137.92 is: 186,484.55
Step by Step Solution
- Step 1: Write the proportion equation
248,315.44 : 342,664.68 = 135,137.92 : x - Step 2: Convert to fraction form
248,315.44/342,664.68 = 135,137.92/x - Step 3: Cross multiply
248,315.44x = 342,664.68 × 135,137.92 - Step 4: Simplify right side
248,315.44x = 46,306,992,112.67 - Step 5: Solve for x
x = 46,306,992,112.67/248,315.44 - Step 6: Final answer
x = 186,484.55
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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.