Finding the Fourth Proportional to 113,311.23, 170,641.37 and 98,696.67
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Solution
The fourth proportional to 113,311.23, 170,641.37 and 98,696.67 is: 148,632.53
Step by Step Solution
- Step 1: Write the proportion equation
113,311.23 : 170,641.37 = 98,696.67 : x - Step 2: Convert to fraction form
113,311.23/170,641.37 = 98,696.67/x - Step 3: Cross multiply
113,311.23x = 170,641.37 × 98,696.67 - Step 4: Simplify right side
113,311.23x = 16,841,734,983.24 - Step 5: Solve for x
x = 16,841,734,983.24/113,311.23 - Step 6: Final answer
x = 148,632.53
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.