Finding the Fourth Proportional to 201,411.52, 277,951.29 and 115,378.03
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Solution
The fourth proportional to 201,411.52, 277,951.29 and 115,378.03 is: 159,223.62
Step by Step Solution
- Step 1: Write the proportion equation
201,411.52 : 277,951.29 = 115,378.03 : x - Step 2: Convert to fraction form
201,411.52/277,951.29 = 115,378.03/x - Step 3: Cross multiply
201,411.52x = 277,951.29 × 115,378.03 - Step 4: Simplify right side
201,411.52x = 32,069,472,276.16 - Step 5: Solve for x
x = 32,069,472,276.16/201,411.52 - Step 6: Final answer
x = 159,223.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.