Finding the Fourth Proportional to 181,772.26, 272,479.78 and 86,975.53
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Solution
The fourth proportional to 181,772.26, 272,479.78 and 86,975.53 is: 130,377.83
Step by Step Solution
- Step 1: Write the proportion equation
181,772.26 : 272,479.78 = 86,975.53 : x - Step 2: Convert to fraction form
181,772.26/272,479.78 = 86,975.53/x - Step 3: Cross multiply
181,772.26x = 272,479.78 × 86,975.53 - Step 4: Simplify right side
181,772.26x = 23,699,073,279.78 - Step 5: Solve for x
x = 23,699,073,279.78/181,772.26 - Step 6: Final answer
x = 130,377.83
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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.