Finding the Fourth Proportional to 306,400.61, 422,844.87 and 185,473.49
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Solution
The fourth proportional to 306,400.61, 422,844.87 and 185,473.49 is: 255,960.69
Step by Step Solution
- Step 1: Write the proportion equation
306,400.61 : 422,844.87 = 185,473.49 : x - Step 2: Convert to fraction form
306,400.61/422,844.87 = 185,473.49/x - Step 3: Cross multiply
306,400.61x = 422,844.87 × 185,473.49 - Step 4: Simplify right side
306,400.61x = 78,426,512,348.80 - Step 5: Solve for x
x = 78,426,512,348.80/306,400.61 - Step 6: Final answer
x = 255,960.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.