Finding the Fourth Proportional to 107,163.15, 160,751.41 and 28,277.46
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Solution
The fourth proportional to 107,163.15, 160,751.41 and 28,277.46 is: 42,417.95
Step by Step Solution
- Step 1: Write the proportion equation
107,163.15 : 160,751.41 = 28,277.46 : x - Step 2: Convert to fraction form
107,163.15/160,751.41 = 28,277.46/x - Step 3: Cross multiply
107,163.15x = 160,751.41 × 28,277.46 - Step 4: Simplify right side
107,163.15x = 4,545,641,566.22 - Step 5: Solve for x
x = 4,545,641,566.22/107,163.15 - Step 6: Final answer
x = 42,417.95
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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.