Finding the Fourth Proportional to 248,960.88, 343,570.68 and 135,787.68
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Solution
The fourth proportional to 248,960.88, 343,570.68 and 135,787.68 is: 187,389.54
Step by Step Solution
- Step 1: Write the proportion equation
248,960.88 : 343,570.68 = 135,787.68 : x - Step 2: Convert to fraction form
248,960.88/343,570.68 = 135,787.68/x - Step 3: Cross multiply
248,960.88x = 343,570.68 × 135,787.68 - Step 4: Simplify right side
248,960.88x = 46,652,665,553.22 - Step 5: Solve for x
x = 46,652,665,553.22/248,960.88 - Step 6: Final answer
x = 187,389.54
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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.