Finding the Fourth Proportional to 306,906.41, 423,552.13 and 186,052.79
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Solution
The fourth proportional to 306,906.41, 423,552.13 and 186,052.79 is: 256,765.75
Step by Step Solution
- Step 1: Write the proportion equation
306,906.41 : 423,552.13 = 186,052.79 : x - Step 2: Convert to fraction form
306,906.41/423,552.13 = 186,052.79/x - Step 3: Cross multiply
306,906.41x = 423,552.13 × 186,052.79 - Step 4: Simplify right side
306,906.41x = 78,803,055,496.94 - Step 5: Solve for x
x = 78,803,055,496.94/306,906.41 - Step 6: Final answer
x = 256,765.75
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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.