Finding the Fourth Proportional to 248,634.36, 343,106.28 and 135,454.68
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Solution
The fourth proportional to 248,634.36, 343,106.28 and 135,454.68 is: 186,922.48
Step by Step Solution
- Step 1: Write the proportion equation
248,634.36 : 343,106.28 = 135,454.68 : x - Step 2: Convert to fraction form
248,634.36/343,106.28 = 135,454.68/x - Step 3: Cross multiply
248,634.36x = 343,106.28 × 135,454.68 - Step 4: Simplify right side
248,634.36x = 46,475,351,363.39 - Step 5: Solve for x
x = 46,475,351,363.39/248,634.36 - Step 6: Final answer
x = 186,922.48
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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.