Finding the Fourth Proportional to 325,980.05, 488,383.49 and 306,751.05
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Solution
The fourth proportional to 325,980.05, 488,383.49 and 306,751.05 is: 459,574.60
Step by Step Solution
- Step 1: Write the proportion equation
325,980.05 : 488,383.49 = 306,751.05 : x - Step 2: Convert to fraction form
325,980.05/488,383.49 = 306,751.05/x - Step 3: Cross multiply
325,980.05x = 488,383.49 × 306,751.05 - Step 4: Simplify right side
325,980.05x = 149,812,149,127.04 - Step 5: Solve for x
x = 149,812,149,127.04/325,980.05 - Step 6: Final answer
x = 459,574.60
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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.