Finding the Fourth Proportional to 326,846.80, 490,211.84 and 86,962.08
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Solution
The fourth proportional to 326,846.80, 490,211.84 and 86,962.08 is: 130,427.59
Step by Step Solution
- Step 1: Write the proportion equation
326,846.80 : 490,211.84 = 86,962.08 : x - Step 2: Convert to fraction form
326,846.80/490,211.84 = 86,962.08/x - Step 3: Cross multiply
326,846.80x = 490,211.84 × 86,962.08 - Step 4: Simplify right side
326,846.80x = 42,629,841,247.03 - Step 5: Solve for x
x = 42,629,841,247.03/326,846.80 - Step 6: Final answer
x = 130,427.59
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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.