Finding the Fourth Proportional to 286,704.53, 430,062.72 and 104,329.09
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Solution
The fourth proportional to 286,704.53, 430,062.72 and 104,329.09 is: 156,495.78
Step by Step Solution
- Step 1: Write the proportion equation
286,704.53 : 430,062.72 = 104,329.09 : x - Step 2: Convert to fraction form
286,704.53/430,062.72 = 104,329.09/x - Step 3: Cross multiply
286,704.53x = 430,062.72 × 104,329.09 - Step 4: Simplify right side
286,704.53x = 44,868,050,331.03 - Step 5: Solve for x
x = 44,868,050,331.03/286,704.53 - Step 6: Final answer
x = 156,495.78
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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.