Finding the Fourth Proportional to 453,558.39, 680,435.99 and 138,007.09
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Solution
The fourth proportional to 453,558.39, 680,435.99 and 138,007.09 is: 207,040.58
Step by Step Solution
- Step 1: Write the proportion equation
453,558.39 : 680,435.99 = 138,007.09 : x - Step 2: Convert to fraction form
453,558.39/680,435.99 = 138,007.09/x - Step 3: Cross multiply
453,558.39x = 680,435.99 × 138,007.09 - Step 4: Simplify right side
453,558.39x = 93,904,991,589.21 - Step 5: Solve for x
x = 93,904,991,589.21/453,558.39 - Step 6: Final answer
x = 207,040.58
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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.