Finding the Fourth Proportional to 378,730.89, 522,838.02 and 235,537.08
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Solution
The fourth proportional to 378,730.89, 522,838.02 and 235,537.08 is: 325,158.96
Step by Step Solution
- Step 1: Write the proportion equation
378,730.89 : 522,838.02 = 235,537.08 : x - Step 2: Convert to fraction form
378,730.89/522,838.02 = 235,537.08/x - Step 3: Cross multiply
378,730.89x = 522,838.02 × 235,537.08 - Step 4: Simplify right side
378,730.89x = 123,147,740,543.78 - Step 5: Solve for x
x = 123,147,740,543.78/378,730.89 - Step 6: Final answer
x = 325,158.96
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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.