Finding the Fourth Proportional to 325,497.29, 487,851.66 and 138,115.13
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Solution
The fourth proportional to 325,497.29, 487,851.66 and 138,115.13 is: 207,005.39
Step by Step Solution
- Step 1: Write the proportion equation
325,497.29 : 487,851.66 = 138,115.13 : x - Step 2: Convert to fraction form
325,497.29/487,851.66 = 138,115.13/x - Step 3: Cross multiply
325,497.29x = 487,851.66 × 138,115.13 - Step 4: Simplify right side
325,497.29x = 67,379,693,002.36 - Step 5: Solve for x
x = 67,379,693,002.36/325,497.29 - Step 6: Final answer
x = 207,005.39
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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.