Finding the Fourth Proportional to 557,372.78, 835,845.18 and 237,321.74
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Solution
The fourth proportional to 557,372.78, 835,845.18 and 237,321.74 is: 355,891.50
Step by Step Solution
- Step 1: Write the proportion equation
557,372.78 : 835,845.18 = 237,321.74 : x - Step 2: Convert to fraction form
557,372.78/835,845.18 = 237,321.74/x - Step 3: Cross multiply
557,372.78x = 835,845.18 × 237,321.74 - Step 4: Simplify right side
557,372.78x = 198,364,232,488.21 - Step 5: Solve for x
x = 198,364,232,488.21/557,372.78 - Step 6: Final answer
x = 355,891.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.