Finding the Fourth Proportional to 306,906.14, 423,551.76 and 186,052.52
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Solution
The fourth proportional to 306,906.14, 423,551.76 and 186,052.52 is: 256,765.38
Step by Step Solution
- Step 1: Write the proportion equation
306,906.14 : 423,551.76 = 186,052.52 : x - Step 2: Convert to fraction form
306,906.14/423,551.76 = 186,052.52/x - Step 3: Cross multiply
306,906.14x = 423,551.76 × 186,052.52 - Step 4: Simplify right side
306,906.14x = 78,802,872,298.44 - Step 5: Solve for x
x = 78,802,872,298.44/306,906.14 - Step 6: Final answer
x = 256,765.38
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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.