Finding the Fourth Proportional to 107,078.58, 160,605.11 and 28,198.96
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Solution
The fourth proportional to 107,078.58, 160,605.11 and 28,198.96 is: 42,295.08
Step by Step Solution
- Step 1: Write the proportion equation
107,078.58 : 160,605.11 = 28,198.96 : x - Step 2: Convert to fraction form
107,078.58/160,605.11 = 28,198.96/x - Step 3: Cross multiply
107,078.58x = 160,605.11 × 28,198.96 - Step 4: Simplify right side
107,078.58x = 4,528,896,741.67 - Step 5: Solve for x
x = 4,528,896,741.67/107,078.58 - Step 6: Final answer
x = 42,295.08
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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.