Finding the Fourth Proportional to 248,420.81, 372,716.26 and 106,207.49
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Solution
The fourth proportional to 248,420.81, 372,716.26 and 106,207.49 is: 159,347.59
Step by Step Solution
- Step 1: Write the proportion equation
248,420.81 : 372,716.26 = 106,207.49 : x - Step 2: Convert to fraction form
248,420.81/372,716.26 = 106,207.49/x - Step 3: Cross multiply
248,420.81x = 372,716.26 × 106,207.49 - Step 4: Simplify right side
248,420.81x = 39,585,258,456.79 - Step 5: Solve for x
x = 39,585,258,456.79/248,420.81 - Step 6: Final answer
x = 159,347.59
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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.