Finding the Fourth Proportional to 248,854.84, 343,449.33 and 157,107.44
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Solution
The fourth proportional to 248,854.84, 343,449.33 and 157,107.44 is: 216,826.99
Step by Step Solution
- Step 1: Write the proportion equation
248,854.84 : 343,449.33 = 157,107.44 : x - Step 2: Convert to fraction form
248,854.84/343,449.33 = 157,107.44/x - Step 3: Cross multiply
248,854.84x = 343,449.33 × 157,107.44 - Step 4: Simplify right side
248,854.84x = 53,958,445,006.02 - Step 5: Solve for x
x = 53,958,445,006.02/248,854.84 - Step 6: Final answer
x = 216,826.99
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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.