Finding the Fourth Proportional to 248,631.84, 343,112.16 and 135,454.80
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Solution
The fourth proportional to 248,631.84, 343,112.16 and 135,454.80 is: 186,927.74
Step by Step Solution
- Step 1: Write the proportion equation
248,631.84 : 343,112.16 = 135,454.80 : x - Step 2: Convert to fraction form
248,631.84/343,112.16 = 135,454.80/x - Step 3: Cross multiply
248,631.84x = 343,112.16 × 135,454.80 - Step 4: Simplify right side
248,631.84x = 46,476,189,010.37 - Step 5: Solve for x
x = 46,476,189,010.37/248,631.84 - Step 6: Final answer
x = 186,927.74
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1.5x scale
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.