Finding the Fourth Proportional to 236,528.32, 354,839.14 and 86,769.98
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Solution
The fourth proportional to 236,528.32, 354,839.14 and 86,769.98 is: 130,172.09
Step by Step Solution
- Step 1: Write the proportion equation
236,528.32 : 354,839.14 = 86,769.98 : x - Step 2: Convert to fraction form
236,528.32/354,839.14 = 86,769.98/x - Step 3: Cross multiply
236,528.32x = 354,839.14 × 86,769.98 - Step 4: Simplify right side
236,528.32x = 30,789,385,081.02 - Step 5: Solve for x
x = 30,789,385,081.02/236,528.32 - Step 6: Final answer
x = 130,172.09
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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.