Finding the Fourth Proportional to 115,840.23, 173,883.16 and 102,599.18
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Solution
The fourth proportional to 115,840.23, 173,883.16 and 102,599.18 is: 154,007.55
Step by Step Solution
- Step 1: Write the proportion equation
115,840.23 : 173,883.16 = 102,599.18 : x - Step 2: Convert to fraction form
115,840.23/173,883.16 = 102,599.18/x - Step 3: Cross multiply
115,840.23x = 173,883.16 × 102,599.18 - Step 4: Simplify right side
115,840.23x = 17,840,269,454.63 - Step 5: Solve for x
x = 17,840,269,454.63/115,840.23 - Step 6: Final answer
x = 154,007.55
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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.