Finding the Fourth Proportional to 167,893.18, 251,839.50 and 115,142.74
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Solution
The fourth proportional to 167,893.18, 251,839.50 and 115,142.74 is: 172,713.92
Step by Step Solution
- Step 1: Write the proportion equation
167,893.18 : 251,839.50 = 115,142.74 : x - Step 2: Convert to fraction form
167,893.18/251,839.50 = 115,142.74/x - Step 3: Cross multiply
167,893.18x = 251,839.50 × 115,142.74 - Step 4: Simplify right side
167,893.18x = 28,997,490,070.23 - Step 5: Solve for x
x = 28,997,490,070.23/167,893.18 - Step 6: Final answer
x = 172,713.92
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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.