Finding the Fourth Proportional to 356,125.98, 491,435.19 and 194,950.17
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Solution
The fourth proportional to 356,125.98, 491,435.19 and 194,950.17 is: 269,021.02
Step by Step Solution
- Step 1: Write the proportion equation
356,125.98 : 491,435.19 = 194,950.17 : x - Step 2: Convert to fraction form
356,125.98/491,435.19 = 194,950.17/x - Step 3: Cross multiply
356,125.98x = 491,435.19 × 194,950.17 - Step 4: Simplify right side
356,125.98x = 95,805,373,834.48 - Step 5: Solve for x
x = 95,805,373,834.48/356,125.98 - Step 6: Final answer
x = 269,021.02
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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.