Finding the Fourth Proportional to 113,458.66, 170,187.99 and 30,350.50
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Solution
The fourth proportional to 113,458.66, 170,187.99 and 30,350.50 is: 45,525.75
Step by Step Solution
- Step 1: Write the proportion equation
113,458.66 : 170,187.99 = 30,350.50 : x - Step 2: Convert to fraction form
113,458.66/170,187.99 = 30,350.50/x - Step 3: Cross multiply
113,458.66x = 170,187.99 × 30,350.50 - Step 4: Simplify right side
113,458.66x = 5,165,290,590.50 - Step 5: Solve for x
x = 5,165,290,590.50/113,458.66 - Step 6: Final answer
x = 45,525.75
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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.