Finding the Fourth Proportional to 354,955.05, 489,857.81 and 193,825.05
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Solution
The fourth proportional to 354,955.05, 489,857.81 and 193,825.05 is: 267,489.40
Step by Step Solution
- Step 1: Write the proportion equation
354,955.05 : 489,857.81 = 193,825.05 : x - Step 2: Convert to fraction form
354,955.05/489,857.81 = 193,825.05/x - Step 3: Cross multiply
354,955.05x = 489,857.81 × 193,825.05 - Step 4: Simplify right side
354,955.05x = 94,946,713,547.02 - Step 5: Solve for x
x = 94,946,713,547.02/354,955.05 - Step 6: Final answer
x = 267,489.40
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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.