Finding the Fourth Proportional to 107,147.44, 160,731.96 and 28,267.12
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Solution
The fourth proportional to 107,147.44, 160,731.96 and 28,267.12 is: 42,403.53
Step by Step Solution
- Step 1: Write the proportion equation
107,147.44 : 160,731.96 = 28,267.12 : x - Step 2: Convert to fraction form
107,147.44/160,731.96 = 28,267.12/x - Step 3: Cross multiply
107,147.44x = 160,731.96 × 28,267.12 - Step 4: Simplify right side
107,147.44x = 4,543,429,601.16 - Step 5: Solve for x
x = 4,543,429,601.16/107,147.44 - Step 6: Final answer
x = 42,403.53
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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.