Finding the Fourth Proportional to 248,420.70, 372,740.40 and 115,232.40
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Solution
The fourth proportional to 248,420.70, 372,740.40 and 115,232.40 is: 172,899.32
Step by Step Solution
- Step 1: Write the proportion equation
248,420.70 : 372,740.40 = 115,232.40 : x - Step 2: Convert to fraction form
248,420.70/372,740.40 = 115,232.40/x - Step 3: Cross multiply
248,420.70x = 372,740.40 × 115,232.40 - Step 4: Simplify right side
248,420.70x = 42,951,770,868.96 - Step 5: Solve for x
x = 42,951,770,868.96/248,420.70 - Step 6: Final answer
x = 172,899.32
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1.5x scale
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.