Finding the Fourth Proportional to 354,780.74, 489,593.64 and 193,634.48
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Solution
The fourth proportional to 354,780.74, 489,593.64 and 193,634.48 is: 267,213.52
Step by Step Solution
- Step 1: Write the proportion equation
354,780.74 : 489,593.64 = 193,634.48 : x - Step 2: Convert to fraction form
354,780.74/489,593.64 = 193,634.48/x - Step 3: Cross multiply
354,780.74x = 489,593.64 × 193,634.48 - Step 4: Simplify right side
354,780.74x = 94,802,209,892.71 - Step 5: Solve for x
x = 94,802,209,892.71/354,780.74 - Step 6: Final answer
x = 267,213.52
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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.