Finding the Fourth Proportional to 121,880.36, 182,734.68 and 46,937.72
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Solution
The fourth proportional to 121,880.36, 182,734.68 and 46,937.72 is: 70,373.51
Step by Step Solution
- Step 1: Write the proportion equation
121,880.36 : 182,734.68 = 46,937.72 : x - Step 2: Convert to fraction form
121,880.36/182,734.68 = 46,937.72/x - Step 3: Cross multiply
121,880.36x = 182,734.68 × 46,937.72 - Step 4: Simplify right side
121,880.36x = 8,577,149,244.13 - Step 5: Solve for x
x = 8,577,149,244.13/121,880.36 - Step 6: Final answer
x = 70,373.51
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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.