Finding the Fourth Proportional to 327,309.80, 490,964.70 and 265,101.80
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Solution
The fourth proportional to 327,309.80, 490,964.70 and 265,101.80 is: 397,652.70
Step by Step Solution
- Step 1: Write the proportion equation
327,309.80 : 490,964.70 = 265,101.80 : x - Step 2: Convert to fraction form
327,309.80/490,964.70 = 265,101.80/x - Step 3: Cross multiply
327,309.80x = 490,964.70 × 265,101.80 - Step 4: Simplify right side
327,309.80x = 130,155,625,706.46 - Step 5: Solve for x
x = 130,155,625,706.46/327,309.80 - Step 6: Final answer
x = 397,652.70
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1.5x scale
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.