Finding the Fourth Proportional to 214,972.13, 322,458.19 and 74,730.75
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Solution
The fourth proportional to 214,972.13, 322,458.19 and 74,730.75 is: 112,096.12
Step by Step Solution
- Step 1: Write the proportion equation
214,972.13 : 322,458.19 = 74,730.75 : x - Step 2: Convert to fraction form
214,972.13/322,458.19 = 74,730.75/x - Step 3: Cross multiply
214,972.13x = 322,458.19 × 74,730.75 - Step 4: Simplify right side
214,972.13x = 24,097,542,382.34 - Step 5: Solve for x
x = 24,097,542,382.34/214,972.13 - Step 6: Final answer
x = 112,096.12
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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.