Finding the Fourth Proportional to 248,622.24, 372,965.88 and 90,924.96
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Solution
The fourth proportional to 248,622.24, 372,965.88 and 90,924.96 is: 136,399.33
Step by Step Solution
- Step 1: Write the proportion equation
248,622.24 : 372,965.88 = 90,924.96 : x - Step 2: Convert to fraction form
248,622.24/372,965.88 = 90,924.96/x - Step 3: Cross multiply
248,622.24x = 372,965.88 × 90,924.96 - Step 4: Simplify right side
248,622.24x = 33,911,907,720.36 - Step 5: Solve for x
x = 33,911,907,720.36/248,622.24 - Step 6: Final answer
x = 136,399.33
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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.