Finding the Fourth Proportional to 181,544.80, 272,423.76 and 76,355.68
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Solution
The fourth proportional to 181,544.80, 272,423.76 and 76,355.68 is: 114,578.34
Step by Step Solution
- Step 1: Write the proportion equation
181,544.80 : 272,423.76 = 76,355.68 : x - Step 2: Convert to fraction form
181,544.80/272,423.76 = 76,355.68/x - Step 3: Cross multiply
181,544.80x = 272,423.76 × 76,355.68 - Step 4: Simplify right side
181,544.80x = 20,801,101,442.96 - Step 5: Solve for x
x = 20,801,101,442.96/181,544.80 - Step 6: Final answer
x = 114,578.34
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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.