Finding the Fourth Proportional to 325,577.40, 488,366.10 and 245,743.80
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Solution
The fourth proportional to 325,577.40, 488,366.10 and 245,743.80 is: 368,615.70
Step by Step Solution
- Step 1: Write the proportion equation
325,577.40 : 488,366.10 = 245,743.80 : x - Step 2: Convert to fraction form
325,577.40/488,366.10 = 245,743.80/x - Step 3: Cross multiply
325,577.40x = 488,366.10 × 245,743.80 - Step 4: Simplify right side
325,577.40x = 120,012,941,205.18 - Step 5: Solve for x
x = 120,012,941,205.18/325,577.40 - Step 6: Final answer
x = 368,615.70
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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.