Finding the Fourth Proportional to 356,101.66, 491,401.86 and 194,926.14
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Solution
The fourth proportional to 356,101.66, 491,401.86 and 194,926.14 is: 268,987.99
Step by Step Solution
- Step 1: Write the proportion equation
356,101.66 : 491,401.86 = 194,926.14 : x - Step 2: Convert to fraction form
356,101.66/491,401.86 = 194,926.14/x - Step 3: Cross multiply
356,101.66x = 491,401.86 × 194,926.14 - Step 4: Simplify right side
356,101.66x = 95,787,067,758.62 - Step 5: Solve for x
x = 95,787,067,758.62/356,101.66 - Step 6: Final answer
x = 268,987.99
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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.