Finding the Fourth Proportional to 248,358.67, 372,278.67 and 115,129.06
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Solution
The fourth proportional to 248,358.67, 372,278.67 and 115,129.06 is: 172,573.37
Step by Step Solution
- Step 1: Write the proportion equation
248,358.67 : 372,278.67 = 115,129.06 : x - Step 2: Convert to fraction form
248,358.67/372,278.67 = 115,129.06/x - Step 3: Cross multiply
248,358.67x = 372,278.67 × 115,129.06 - Step 4: Simplify right side
248,358.67x = 42,860,093,335.15 - Step 5: Solve for x
x = 42,860,093,335.15/248,358.67 - Step 6: Final answer
x = 172,573.37
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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.