Finding the Fourth Proportional to 355,950.58, 491,211.99 and 194,805.53
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Solution
The fourth proportional to 355,950.58, 491,211.99 and 194,805.53 is: 268,831.74
Step by Step Solution
- Step 1: Write the proportion equation
355,950.58 : 491,211.99 = 194,805.53 : x - Step 2: Convert to fraction form
355,950.58/491,211.99 = 194,805.53/x - Step 3: Cross multiply
355,950.58x = 491,211.99 × 194,805.53 - Step 4: Simplify right side
355,950.58x = 95,690,812,054.30 - Step 5: Solve for x
x = 95,690,812,054.30/355,950.58 - Step 6: Final answer
x = 268,831.74
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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.