Finding the Fourth Proportional to 248,358.68, 372,278.68 and 115,129.08
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Solution
The fourth proportional to 248,358.68, 372,278.68 and 115,129.08 is: 172,573.40
Step by Step Solution
- Step 1: Write the proportion equation
248,358.68 : 372,278.68 = 115,129.08 : x - Step 2: Convert to fraction form
248,358.68/372,278.68 = 115,129.08/x - Step 3: Cross multiply
248,358.68x = 372,278.68 × 115,129.08 - Step 4: Simplify right side
248,358.68x = 42,860,101,932.01 - Step 5: Solve for x
x = 42,860,101,932.01/248,358.68 - Step 6: Final answer
x = 172,573.40
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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.