Finding the Fourth Proportional to 252,882.93, 348,985.49 and 139,712.97
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Solution
The fourth proportional to 252,882.93, 348,985.49 and 139,712.97 is: 192,807.79
Step by Step Solution
- Step 1: Write the proportion equation
252,882.93 : 348,985.49 = 139,712.97 : x - Step 2: Convert to fraction form
252,882.93/348,985.49 = 139,712.97/x - Step 3: Cross multiply
252,882.93x = 348,985.49 × 139,712.97 - Step 4: Simplify right side
252,882.93x = 48,757,798,596.24 - Step 5: Solve for x
x = 48,757,798,596.24/252,882.93 - Step 6: Final answer
x = 192,807.79
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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.