Finding the Fourth Proportional to 548,372.19, 756,774.24 and 306,654.17
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Solution
The fourth proportional to 548,372.19, 756,774.24 and 306,654.17 is: 423,194.28
Step by Step Solution
- Step 1: Write the proportion equation
548,372.19 : 756,774.24 = 306,654.17 : x - Step 2: Convert to fraction form
548,372.19/756,774.24 = 306,654.17/x - Step 3: Cross multiply
548,372.19x = 756,774.24 × 306,654.17 - Step 4: Simplify right side
548,372.19x = 232,067,972,660.71 - Step 5: Solve for x
x = 232,067,972,660.71/548,372.19 - Step 6: Final answer
x = 423,194.28
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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.