Finding the Fourth Proportional to 248,140.74, 372,213.30 and 70,647.60
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Solution
The fourth proportional to 248,140.74, 372,213.30 and 70,647.60 is: 105,972.02
Step by Step Solution
- Step 1: Write the proportion equation
248,140.74 : 372,213.30 = 70,647.60 : x - Step 2: Convert to fraction form
248,140.74/372,213.30 = 70,647.60/x - Step 3: Cross multiply
248,140.74x = 372,213.30 × 70,647.60 - Step 4: Simplify right side
248,140.74x = 26,295,976,333.08 - Step 5: Solve for x
x = 26,295,976,333.08/248,140.74 - Step 6: Final answer
x = 105,972.02
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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.