Finding the Fourth Proportional to 117,917.97, 176,887.21 and 37,963.99
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Solution
The fourth proportional to 117,917.97, 176,887.21 and 37,963.99 is: 56,949.28
Step by Step Solution
- Step 1: Write the proportion equation
117,917.97 : 176,887.21 = 37,963.99 : x - Step 2: Convert to fraction form
117,917.97/176,887.21 = 37,963.99/x - Step 3: Cross multiply
117,917.97x = 176,887.21 × 37,963.99 - Step 4: Simplify right side
117,917.97x = 6,715,343,473.96 - Step 5: Solve for x
x = 6,715,343,473.96/117,917.97 - Step 6: Final answer
x = 56,949.28
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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.