Finding the Fourth Proportional to 263,585.75, 395,587.80 and 137,261.99
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Solution
The fourth proportional to 263,585.75, 395,587.80 and 137,261.99 is: 206,001.92
Step by Step Solution
- Step 1: Write the proportion equation
263,585.75 : 395,587.80 = 137,261.99 : x - Step 2: Convert to fraction form
263,585.75/395,587.80 = 137,261.99/x - Step 3: Cross multiply
263,585.75x = 395,587.80 × 137,261.99 - Step 4: Simplify right side
263,585.75x = 54,299,169,636.69 - Step 5: Solve for x
x = 54,299,169,636.69/263,585.75 - Step 6: Final answer
x = 206,001.92
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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.