Finding the Fourth Proportional to 366,921.65, 512,640.55 and 366,921.65
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Solution
The fourth proportional to 366,921.65, 512,640.55 and 366,921.65 is: 512,640.55
Step by Step Solution
- Step 1: Write the proportion equation
366,921.65 : 512,640.55 = 366,921.65 : x - Step 2: Convert to fraction form
366,921.65/512,640.55 = 366,921.65/x - Step 3: Cross multiply
366,921.65x = 512,640.55 × 366,921.65 - Step 4: Simplify right side
366,921.65x = 188,098,916,462.91 - Step 5: Solve for x
x = 188,098,916,462.91/366,921.65 - Step 6: Final answer
x = 512,640.55
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.