Finding the Fourth Proportional to 248,614.88, 343,088.49 and 135,437.63
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Solution
The fourth proportional to 248,614.88, 343,088.49 and 135,437.63 is: 186,903.91
Step by Step Solution
- Step 1: Write the proportion equation
248,614.88 : 343,088.49 = 135,437.63 : x - Step 2: Convert to fraction form
248,614.88/343,088.49 = 135,437.63/x - Step 3: Cross multiply
248,614.88x = 343,088.49 × 135,437.63 - Step 4: Simplify right side
248,614.88x = 46,467,091,965.88 - Step 5: Solve for x
x = 46,467,091,965.88/248,614.88 - Step 6: Final answer
x = 186,903.91
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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.