Finding the Fourth Proportional to 248,726.22, 343,232.17 and 135,546.54
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Solution
The fourth proportional to 248,726.22, 343,232.17 and 135,546.54 is: 187,048.77
Step by Step Solution
- Step 1: Write the proportion equation
248,726.22 : 343,232.17 = 135,546.54 : x - Step 2: Convert to fraction form
248,726.22/343,232.17 = 135,546.54/x - Step 3: Cross multiply
248,726.22x = 343,232.17 × 135,546.54 - Step 4: Simplify right side
248,726.22x = 46,523,933,060.19 - Step 5: Solve for x
x = 46,523,933,060.19/248,726.22 - Step 6: Final answer
x = 187,048.77
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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.