Finding the Fourth Proportional to 181,467.06, 272,023.20 and 81,652.38
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Solution
The fourth proportional to 181,467.06, 272,023.20 and 81,652.38 is: 122,398.75
Step by Step Solution
- Step 1: Write the proportion equation
181,467.06 : 272,023.20 = 81,652.38 : x - Step 2: Convert to fraction form
181,467.06/272,023.20 = 81,652.38/x - Step 3: Cross multiply
181,467.06x = 272,023.20 × 81,652.38 - Step 4: Simplify right side
181,467.06x = 22,211,341,695.22 - Step 5: Solve for x
x = 22,211,341,695.22/181,467.06 - Step 6: Final answer
x = 122,398.75
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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.