Finding the Fourth Proportional to 218,455.79, 327,721.04 and 100,137.26
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Solution
The fourth proportional to 218,455.79, 327,721.04 and 100,137.26 is: 150,223.02
Step by Step Solution
- Step 1: Write the proportion equation
218,455.79 : 327,721.04 = 100,137.26 : x - Step 2: Convert to fraction form
218,455.79/327,721.04 = 100,137.26/x - Step 3: Cross multiply
218,455.79x = 327,721.04 × 100,137.26 - Step 4: Simplify right side
218,455.79x = 32,817,087,684.08 - Step 5: Solve for x
x = 32,817,087,684.08/218,455.79 - Step 6: Final answer
x = 150,223.02
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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.