Finding the Fourth Proportional to 170,173.80, 235,163.70 and 127,658.52
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Solution
The fourth proportional to 170,173.80, 235,163.70 and 127,658.52 is: 176,411.70
Step by Step Solution
- Step 1: Write the proportion equation
170,173.80 : 235,163.70 = 127,658.52 : x - Step 2: Convert to fraction form
170,173.80/235,163.70 = 127,658.52/x - Step 3: Cross multiply
170,173.80x = 235,163.70 × 127,658.52 - Step 4: Simplify right side
170,173.80x = 30,020,649,899.72 - Step 5: Solve for x
x = 30,020,649,899.72/170,173.80 - Step 6: Final answer
x = 176,411.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.