Finding the Fourth Proportional to 306,736.47, 423,266.18 and 179,387.19
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Solution
The fourth proportional to 306,736.47, 423,266.18 and 179,387.19 is: 247,536.69
Step by Step Solution
- Step 1: Write the proportion equation
306,736.47 : 423,266.18 = 179,387.19 : x - Step 2: Convert to fraction form
306,736.47/423,266.18 = 179,387.19/x - Step 3: Cross multiply
306,736.47x = 423,266.18 × 179,387.19 - Step 4: Simplify right side
306,736.47x = 75,928,529,755.30 - Step 5: Solve for x
x = 75,928,529,755.30/306,736.47 - Step 6: Final answer
x = 247,536.69
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1.5x scale
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.