Finding the Fourth Proportional to 205,434.64, 283,501.68 and 120,553.12
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Solution
The fourth proportional to 205,434.64, 283,501.68 and 120,553.12 is: 166,364.41
Step by Step Solution
- Step 1: Write the proportion equation
205,434.64 : 283,501.68 = 120,553.12 : x - Step 2: Convert to fraction form
205,434.64/283,501.68 = 120,553.12/x - Step 3: Cross multiply
205,434.64x = 283,501.68 × 120,553.12 - Step 4: Simplify right side
205,434.64x = 34,177,012,049.24 - Step 5: Solve for x
x = 34,177,012,049.24/205,434.64 - Step 6: Final answer
x = 166,364.41
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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.