Finding the Fourth Proportional to 402,092.38, 554,893.84 and 218,330.84
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Solution
The fourth proportional to 402,092.38, 554,893.84 and 218,330.84 is: 301,300.01
Step by Step Solution
- Step 1: Write the proportion equation
402,092.38 : 554,893.84 = 218,330.84 : x - Step 2: Convert to fraction form
402,092.38/554,893.84 = 218,330.84/x - Step 3: Cross multiply
402,092.38x = 554,893.84 × 218,330.84 - Step 4: Simplify right side
402,092.38x = 121,150,438,198.03 - Step 5: Solve for x
x = 121,150,438,198.03/402,092.38 - Step 6: Final answer
x = 301,300.01
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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.