Finding the Fourth Proportional to 374,359.40, 561,276.09 and 131,140.97
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Solution
The fourth proportional to 374,359.40, 561,276.09 and 131,140.97 is: 196,619.32
Step by Step Solution
- Step 1: Write the proportion equation
374,359.40 : 561,276.09 = 131,140.97 : x - Step 2: Convert to fraction form
374,359.40/561,276.09 = 131,140.97/x - Step 3: Cross multiply
374,359.40x = 561,276.09 × 131,140.97 - Step 4: Simplify right side
374,359.40x = 73,606,290,880.41 - Step 5: Solve for x
x = 73,606,290,880.41/374,359.40 - Step 6: Final answer
x = 196,619.32
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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.