Finding the Fourth Proportional to 306,140.27, 422,507.74 and 185,348.12
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Solution
The fourth proportional to 306,140.27, 422,507.74 and 185,348.12 is: 255,801.09
Step by Step Solution
- Step 1: Write the proportion equation
306,140.27 : 422,507.74 = 185,348.12 : x - Step 2: Convert to fraction form
306,140.27/422,507.74 = 185,348.12/x - Step 3: Cross multiply
306,140.27x = 422,507.74 × 185,348.12 - Step 4: Simplify right side
306,140.27x = 78,311,015,294.45 - Step 5: Solve for x
x = 78,311,015,294.45/306,140.27 - Step 6: Final answer
x = 255,801.09
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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.