Finding the Fourth Proportional to 325,616.70, 488,194.65 and 125,859.90
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Solution
The fourth proportional to 325,616.70, 488,194.65 and 125,859.90 is: 188,700.79
Step by Step Solution
- Step 1: Write the proportion equation
325,616.70 : 488,194.65 = 125,859.90 : x - Step 2: Convert to fraction form
325,616.70/488,194.65 = 125,859.90/x - Step 3: Cross multiply
325,616.70x = 488,194.65 × 125,859.90 - Step 4: Simplify right side
325,616.70x = 61,444,129,829.54 - Step 5: Solve for x
x = 61,444,129,829.54/325,616.70 - Step 6: Final answer
x = 188,700.79
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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.