Finding the Fourth Proportional to 161,879.10, 242,559.45 and 102,608.70
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Solution
The fourth proportional to 161,879.10, 242,559.45 and 102,608.70 is: 153,748.75
Step by Step Solution
- Step 1: Write the proportion equation
161,879.10 : 242,559.45 = 102,608.70 : x - Step 2: Convert to fraction form
161,879.10/242,559.45 = 102,608.70/x - Step 3: Cross multiply
161,879.10x = 242,559.45 × 102,608.70 - Step 4: Simplify right side
161,879.10x = 24,888,709,837.22 - Step 5: Solve for x
x = 24,888,709,837.22/161,879.10 - Step 6: Final answer
x = 153,748.75
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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.