Finding the Fourth Proportional to 356,012.34, 491,277.99 and 194,836.20
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Solution
The fourth proportional to 356,012.34, 491,277.99 and 194,836.20 is: 268,863.54
Step by Step Solution
- Step 1: Write the proportion equation
356,012.34 : 491,277.99 = 194,836.20 : x - Step 2: Convert to fraction form
356,012.34/491,277.99 = 194,836.20/x - Step 3: Cross multiply
356,012.34x = 491,277.99 × 194,836.20 - Step 4: Simplify right side
356,012.34x = 95,718,736,715.24 - Step 5: Solve for x
x = 95,718,736,715.24/356,012.34 - Step 6: Final answer
x = 268,863.54
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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.