Finding the Fourth Proportional to 113,369.70, 170,054.55 and 29,129.70
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Solution
The fourth proportional to 113,369.70, 170,054.55 and 29,129.70 is: 43,694.55
Step by Step Solution
- Step 1: Write the proportion equation
113,369.70 : 170,054.55 = 29,129.70 : x - Step 2: Convert to fraction form
113,369.70/170,054.55 = 29,129.70/x - Step 3: Cross multiply
113,369.70x = 170,054.55 × 29,129.70 - Step 4: Simplify right side
113,369.70x = 4,953,638,025.14 - Step 5: Solve for x
x = 4,953,638,025.14/113,369.70 - Step 6: Final answer
x = 43,694.55
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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.