Finding the Fourth Proportional to 354,736.99, 489,547.42 and 193,602.38
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Solution
The fourth proportional to 354,736.99, 489,547.42 and 193,602.38 is: 267,176.95
Step by Step Solution
- Step 1: Write the proportion equation
354,736.99 : 489,547.42 = 193,602.38 : x - Step 2: Convert to fraction form
354,736.99/489,547.42 = 193,602.38/x - Step 3: Cross multiply
354,736.99x = 489,547.42 × 193,602.38 - Step 4: Simplify right side
354,736.99x = 94,777,545,634.86 - Step 5: Solve for x
x = 94,777,545,634.86/354,736.99 - Step 6: Final answer
x = 267,176.95
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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.