Finding the Fourth Proportional to 374,485.05, 516,785.49 and 213,343.56
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Solution
The fourth proportional to 374,485.05, 516,785.49 and 213,343.56 is: 294,411.90
Step by Step Solution
- Step 1: Write the proportion equation
374,485.05 : 516,785.49 = 213,343.56 : x - Step 2: Convert to fraction form
374,485.05/516,785.49 = 213,343.56/x - Step 3: Cross multiply
374,485.05x = 516,785.49 × 213,343.56 - Step 4: Simplify right side
374,485.05x = 110,252,856,403.76 - Step 5: Solve for x
x = 110,252,856,403.76/374,485.05 - Step 6: Final answer
x = 294,411.90
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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.