Finding the Fourth Proportional to 355,872.40, 533,814.77 and 131,117.14
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Solution
The fourth proportional to 355,872.40, 533,814.77 and 131,117.14 is: 196,677.99
Step by Step Solution
- Step 1: Write the proportion equation
355,872.40 : 533,814.77 = 131,117.14 : x - Step 2: Convert to fraction form
355,872.40/533,814.77 = 131,117.14/x - Step 3: Cross multiply
355,872.40x = 533,814.77 × 131,117.14 - Step 4: Simplify right side
355,872.40x = 69,992,266,927.22 - Step 5: Solve for x
x = 69,992,266,927.22/355,872.40 - Step 6: Final answer
x = 196,677.99
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1.5x scale
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.