Finding the Fourth Proportional to 354,881.58, 489,743.99 and 193,743.42
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Solution
The fourth proportional to 354,881.58, 489,743.99 and 193,743.42 is: 267,369.96
Step by Step Solution
- Step 1: Write the proportion equation
354,881.58 : 489,743.99 = 193,743.42 : x - Step 2: Convert to fraction form
354,881.58/489,743.99 = 193,743.42/x - Step 3: Cross multiply
354,881.58x = 489,743.99 × 193,743.42 - Step 4: Simplify right side
354,881.58x = 94,884,675,547.05 - Step 5: Solve for x
x = 94,884,675,547.05/354,881.58 - Step 6: Final answer
x = 267,369.96
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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.