Finding the Fourth Proportional to 115,075.08, 172,608.57 and 40,194.99
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Solution
The fourth proportional to 115,075.08, 172,608.57 and 40,194.99 is: 60,291.07
Step by Step Solution
- Step 1: Write the proportion equation
115,075.08 : 172,608.57 = 40,194.99 : x - Step 2: Convert to fraction form
115,075.08/172,608.57 = 40,194.99/x - Step 3: Cross multiply
115,075.08x = 172,608.57 × 40,194.99 - Step 4: Simplify right side
115,075.08x = 6,937,999,745.06 - Step 5: Solve for x
x = 6,937,999,745.06/115,075.08 - Step 6: Final answer
x = 60,291.07
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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.