Finding the Fourth Proportional to 354,950.53, 489,828.01 and 193,805.08
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Solution
The fourth proportional to 354,950.53, 489,828.01 and 193,805.08 is: 267,448.98
Step by Step Solution
- Step 1: Write the proportion equation
354,950.53 : 489,828.01 = 193,805.08 : x - Step 2: Convert to fraction form
354,950.53/489,828.01 = 193,805.08/x - Step 3: Cross multiply
354,950.53x = 489,828.01 × 193,805.08 - Step 4: Simplify right side
354,950.53x = 94,931,156,664.29 - Step 5: Solve for x
x = 94,931,156,664.29/354,950.53 - Step 6: Final answer
x = 267,448.98
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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.