Finding the Fourth Proportional to 265,769.80, 398,615.74 and 88,272.84
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Solution
The fourth proportional to 265,769.80, 398,615.74 and 88,272.84 is: 132,396.32
Step by Step Solution
- Step 1: Write the proportion equation
265,769.80 : 398,615.74 = 88,272.84 : x - Step 2: Convert to fraction form
265,769.80/398,615.74 = 88,272.84/x - Step 3: Cross multiply
265,769.80x = 398,615.74 × 88,272.84 - Step 4: Simplify right side
265,769.80x = 35,186,943,438.50 - Step 5: Solve for x
x = 35,186,943,438.50/265,769.80 - Step 6: Final answer
x = 132,396.32
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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.