Finding the Fourth Proportional to 181,420.26, 272,000.34 and 85,303.68
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Solution
The fourth proportional to 181,420.26, 272,000.34 and 85,303.68 is: 127,894.37
Step by Step Solution
- Step 1: Write the proportion equation
181,420.26 : 272,000.34 = 85,303.68 : x - Step 2: Convert to fraction form
181,420.26/272,000.34 = 85,303.68/x - Step 3: Cross multiply
181,420.26x = 272,000.34 × 85,303.68 - Step 4: Simplify right side
181,420.26x = 23,202,629,963.25 - Step 5: Solve for x
x = 23,202,629,963.25/181,420.26 - Step 6: Final answer
x = 127,894.37
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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.