Finding the Fourth Proportional to 548,707.14, 757,245.26 and 306,975.28
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Solution
The fourth proportional to 548,707.14, 757,245.26 and 306,975.28 is: 423,642.34
Step by Step Solution
- Step 1: Write the proportion equation
548,707.14 : 757,245.26 = 306,975.28 : x - Step 2: Convert to fraction form
548,707.14/757,245.26 = 306,975.28/x - Step 3: Cross multiply
548,707.14x = 757,245.26 × 306,975.28 - Step 4: Simplify right side
548,707.14x = 232,455,575,717.17 - Step 5: Solve for x
x = 232,455,575,717.17/548,707.14 - Step 6: Final answer
x = 423,642.34
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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.