Finding the Fourth Proportional to 167,821.60, 251,733.08 and 67,983.68
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Solution
The fourth proportional to 167,821.60, 251,733.08 and 67,983.68 is: 101,975.80
Step by Step Solution
- Step 1: Write the proportion equation
167,821.60 : 251,733.08 = 67,983.68 : x - Step 2: Convert to fraction form
167,821.60/251,733.08 = 67,983.68/x - Step 3: Cross multiply
167,821.60x = 251,733.08 × 67,983.68 - Step 4: Simplify right side
167,821.60x = 17,113,741,156.13 - Step 5: Solve for x
x = 17,113,741,156.13/167,821.60 - Step 6: Final answer
x = 101,975.80
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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.