Finding the Fourth Proportional to 248,618.24, 372,936.59 and 80,140.99
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Solution
The fourth proportional to 248,618.24, 372,936.59 and 80,140.99 is: 120,214.47
Step by Step Solution
- Step 1: Write the proportion equation
248,618.24 : 372,936.59 = 80,140.99 : x - Step 2: Convert to fraction form
248,618.24/372,936.59 = 80,140.99/x - Step 3: Cross multiply
248,618.24x = 372,936.59 × 80,140.99 - Step 4: Simplify right side
248,618.24x = 29,887,509,028.51 - Step 5: Solve for x
x = 29,887,509,028.51/248,618.24 - Step 6: Final answer
x = 120,214.47
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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.