Finding the Fourth Proportional to 364,041.57, 502,370.76 and 198,471.09
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Solution
The fourth proportional to 364,041.57, 502,370.76 and 198,471.09 is: 273,886.50
Step by Step Solution
- Step 1: Write the proportion equation
364,041.57 : 502,370.76 = 198,471.09 : x - Step 2: Convert to fraction form
364,041.57/502,370.76 = 198,471.09/x - Step 3: Cross multiply
364,041.57x = 502,370.76 × 198,471.09 - Step 4: Simplify right side
364,041.57x = 99,706,072,321.33 - Step 5: Solve for x
x = 99,706,072,321.33/364,041.57 - Step 6: Final answer
x = 273,886.50
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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.