Finding the Fourth Proportional to 229,058.40, 343,846.80 and 135,616.80
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Solution
The fourth proportional to 229,058.40, 343,846.80 and 135,616.80 is: 203,578.66
Step by Step Solution
- Step 1: Write the proportion equation
229,058.40 : 343,846.80 = 135,616.80 : x - Step 2: Convert to fraction form
229,058.40/343,846.80 = 135,616.80/x - Step 3: Cross multiply
229,058.40x = 343,846.80 × 135,616.80 - Step 4: Simplify right side
229,058.40x = 46,631,402,706.24 - Step 5: Solve for x
x = 46,631,402,706.24/229,058.40 - Step 6: Final answer
x = 203,578.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.