Finding the Fourth Proportional to 272,290.80, 407,629.80 and 202,479.60
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Solution
The fourth proportional to 272,290.80, 407,629.80 and 202,479.60 is: 303,119.75
Step by Step Solution
- Step 1: Write the proportion equation
272,290.80 : 407,629.80 = 202,479.60 : x - Step 2: Convert to fraction form
272,290.80/407,629.80 = 202,479.60/x - Step 3: Cross multiply
272,290.80x = 407,629.80 × 202,479.60 - Step 4: Simplify right side
272,290.80x = 82,536,718,852.08 - Step 5: Solve for x
x = 82,536,718,852.08/272,290.80 - Step 6: Final answer
x = 303,119.75
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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.