Finding the Fourth Proportional to 338,640.62, 467,338.36 and 193,470.29
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Solution
The fourth proportional to 338,640.62, 467,338.36 and 193,470.29 is: 266,997.17
Step by Step Solution
- Step 1: Write the proportion equation
338,640.62 : 467,338.36 = 193,470.29 : x - Step 2: Convert to fraction form
338,640.62/467,338.36 = 193,470.29/x - Step 3: Cross multiply
338,640.62x = 467,338.36 × 193,470.29 - Step 4: Simplify right side
338,640.62x = 90,416,087,332.23 - Step 5: Solve for x
x = 90,416,087,332.23/338,640.62 - Step 6: Final answer
x = 266,997.17
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1.5x scale
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.