Finding the Fourth Proportional to 218,140.10, 327,145.35 and 84,943.70
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Solution
The fourth proportional to 218,140.10, 327,145.35 and 84,943.70 is: 127,390.32
Step by Step Solution
- Step 1: Write the proportion equation
218,140.10 : 327,145.35 = 84,943.70 : x - Step 2: Convert to fraction form
218,140.10/327,145.35 = 84,943.70/x - Step 3: Cross multiply
218,140.10x = 327,145.35 × 84,943.70 - Step 4: Simplify right side
218,140.10x = 27,788,936,466.80 - Step 5: Solve for x
x = 27,788,936,466.80/218,140.10 - Step 6: Final answer
x = 127,390.32
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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.