Finding the Fourth Proportional to 858,989.58, 1,288,669.58 and 251,827.81
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Solution
The fourth proportional to 858,989.58, 1,288,669.58 and 251,827.81 is: 377,796.01
Step by Step Solution
- Step 1: Write the proportion equation
858,989.58 : 1,288,669.58 = 251,827.81 : x - Step 2: Convert to fraction form
858,989.58/1,288,669.58 = 251,827.81/x - Step 3: Cross multiply
858,989.58x = 1,288,669.58 × 251,827.81 - Step 4: Simplify right side
858,989.58x = 324,522,836,885.88 - Step 5: Solve for x
x = 324,522,836,885.88/858,989.58 - Step 6: Final answer
x = 377,796.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.