Finding the Fourth Proportional to 248,164.92, 372,462.30 and 129,918.96
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Solution
The fourth proportional to 248,164.92, 372,462.30 and 129,918.96 is: 194,990.95
Step by Step Solution
- Step 1: Write the proportion equation
248,164.92 : 372,462.30 = 129,918.96 : x - Step 2: Convert to fraction form
248,164.92/372,462.30 = 129,918.96/x - Step 3: Cross multiply
248,164.92x = 372,462.30 × 129,918.96 - Step 4: Simplify right side
248,164.92x = 48,389,914,655.21 - Step 5: Solve for x
x = 48,389,914,655.21/248,164.92 - Step 6: Final answer
x = 194,990.95
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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.