Finding the Fourth Proportional to 248,860.14, 343,434.51 and 135,684.78
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Solution
The fourth proportional to 248,860.14, 343,434.51 and 135,684.78 is: 187,249.09
Step by Step Solution
- Step 1: Write the proportion equation
248,860.14 : 343,434.51 = 135,684.78 : x - Step 2: Convert to fraction form
248,860.14/343,434.51 = 135,684.78/x - Step 3: Cross multiply
248,860.14x = 343,434.51 × 135,684.78 - Step 4: Simplify right side
248,860.14x = 46,598,835,933.76 - Step 5: Solve for x
x = 46,598,835,933.76/248,860.14 - Step 6: Final answer
x = 187,249.09
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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.