Finding the Fourth Proportional to 485,125.20, 727,687.80 and 295,390.80
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Solution
The fourth proportional to 485,125.20, 727,687.80 and 295,390.80 is: 443,086.20
Step by Step Solution
- Step 1: Write the proportion equation
485,125.20 : 727,687.80 = 295,390.80 : x - Step 2: Convert to fraction form
485,125.20/727,687.80 = 295,390.80/x - Step 3: Cross multiply
485,125.20x = 727,687.80 × 295,390.80 - Step 4: Simplify right side
485,125.20x = 214,952,281,392.24 - Step 5: Solve for x
x = 214,952,281,392.24/485,125.20 - Step 6: Final answer
x = 443,086.20
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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.