Finding the Fourth Proportional to 354,956.99, 489,838.19 and 193,811.94
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Solution
The fourth proportional to 354,956.99, 489,838.19 and 193,811.94 is: 267,459.14
Step by Step Solution
- Step 1: Write the proportion equation
354,956.99 : 489,838.19 = 193,811.94 : x - Step 2: Convert to fraction form
354,956.99/489,838.19 = 193,811.94/x - Step 3: Cross multiply
354,956.99x = 489,838.19 × 193,811.94 - Step 4: Simplify right side
354,956.99x = 94,936,488,920.93 - Step 5: Solve for x
x = 94,936,488,920.93/354,956.99 - Step 6: Final answer
x = 267,459.14
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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.