Finding the Fourth Proportional to 441,405.20, 662,107.80 and 329,430.80
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Solution
The fourth proportional to 441,405.20, 662,107.80 and 329,430.80 is: 494,146.20
Step by Step Solution
- Step 1: Write the proportion equation
441,405.20 : 662,107.80 = 329,430.80 : x - Step 2: Convert to fraction form
441,405.20/662,107.80 = 329,430.80/x - Step 3: Cross multiply
441,405.20x = 662,107.80 × 329,430.80 - Step 4: Simplify right side
441,405.20x = 218,118,702,240.24 - Step 5: Solve for x
x = 218,118,702,240.24/441,405.20 - Step 6: Final answer
x = 494,146.20
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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.