Finding the Fourth Proportional to 239,770.45, 359,655.63 and 71,290.09
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Solution
The fourth proportional to 239,770.45, 359,655.63 and 71,290.09 is: 106,935.12
Step by Step Solution
- Step 1: Write the proportion equation
239,770.45 : 359,655.63 = 71,290.09 : x - Step 2: Convert to fraction form
239,770.45/359,655.63 = 71,290.09/x - Step 3: Cross multiply
239,770.45x = 359,655.63 × 71,290.09 - Step 4: Simplify right side
239,770.45x = 25,639,882,231.71 - Step 5: Solve for x
x = 25,639,882,231.71/239,770.45 - Step 6: Final answer
x = 106,935.12
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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.