Finding the Fourth Proportional to 248,765.40, 372,929.40 and 148,965.30
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Solution
The fourth proportional to 248,765.40, 372,929.40 and 148,965.30 is: 223,316.99
Step by Step Solution
- Step 1: Write the proportion equation
248,765.40 : 372,929.40 = 148,965.30 : x - Step 2: Convert to fraction form
248,765.40/372,929.40 = 148,965.30/x - Step 3: Cross multiply
248,765.40x = 372,929.40 × 148,965.30 - Step 4: Simplify right side
248,765.40x = 55,553,539,949.82 - Step 5: Solve for x
x = 55,553,539,949.82/248,765.40 - Step 6: Final answer
x = 223,316.99
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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.