Finding the Fourth Proportional to 181,453.78, 272,202.54 and 76,259.08
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Solution
The fourth proportional to 181,453.78, 272,202.54 and 76,259.08 is: 114,397.81
Step by Step Solution
- Step 1: Write the proportion equation
181,453.78 : 272,202.54 = 76,259.08 : x - Step 2: Convert to fraction form
181,453.78/272,202.54 = 76,259.08/x - Step 3: Cross multiply
181,453.78x = 272,202.54 × 76,259.08 - Step 4: Simplify right side
181,453.78x = 20,757,915,274.06 - Step 5: Solve for x
x = 20,757,915,274.06/181,453.78 - Step 6: Final answer
x = 114,397.81
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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.