Finding the Fourth Proportional to 354,950.91, 489,828.53 and 193,805.46
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Solution
The fourth proportional to 354,950.91, 489,828.53 and 193,805.46 is: 267,449.50
Step by Step Solution
- Step 1: Write the proportion equation
354,950.91 : 489,828.53 = 193,805.46 : x - Step 2: Convert to fraction form
354,950.91/489,828.53 = 193,805.46/x - Step 3: Cross multiply
354,950.91x = 489,828.53 × 193,805.46 - Step 4: Simplify right side
354,950.91x = 94,931,443,577.77 - Step 5: Solve for x
x = 94,931,443,577.77/354,950.91 - Step 6: Final answer
x = 267,449.50
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1.5x scale
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.