Finding the Fourth Proportional to 248,387.18, 372,287.40 and 106,190.88
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Solution
The fourth proportional to 248,387.18, 372,287.40 and 106,190.88 is: 159,160.90
Step by Step Solution
- Step 1: Write the proportion equation
248,387.18 : 372,287.40 = 106,190.88 : x - Step 2: Convert to fraction form
248,387.18/372,287.40 = 106,190.88/x - Step 3: Cross multiply
248,387.18x = 372,287.40 × 106,190.88 - Step 4: Simplify right side
248,387.18x = 39,533,526,618.91 - Step 5: Solve for x
x = 39,533,526,618.91/248,387.18 - Step 6: Final answer
x = 159,160.90
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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.