Finding the Fourth Proportional to 181,728.98, 272,593.42 and 48,605.80
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Solution
The fourth proportional to 181,728.98, 272,593.42 and 48,605.80 is: 72,908.68
Step by Step Solution
- Step 1: Write the proportion equation
181,728.98 : 272,593.42 = 48,605.80 : x - Step 2: Convert to fraction form
181,728.98/272,593.42 = 48,605.80/x - Step 3: Cross multiply
181,728.98x = 272,593.42 × 48,605.80 - Step 4: Simplify right side
181,728.98x = 13,249,620,450.84 - Step 5: Solve for x
x = 13,249,620,450.84/181,728.98 - Step 6: Final answer
x = 72,908.68
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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.