Finding the Fourth Proportional to 374,932.40, 517,399.80 and 205,163.12
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Solution
The fourth proportional to 374,932.40, 517,399.80 and 205,163.12 is: 283,121.32
Step by Step Solution
- Step 1: Write the proportion equation
374,932.40 : 517,399.80 = 205,163.12 : x - Step 2: Convert to fraction form
374,932.40/517,399.80 = 205,163.12/x - Step 3: Cross multiply
374,932.40x = 517,399.80 × 205,163.12 - Step 4: Simplify right side
374,932.40x = 106,151,357,255.38 - Step 5: Solve for x
x = 106,151,357,255.38/374,932.40 - Step 6: Final answer
x = 283,121.32
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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.