Finding the Fourth Proportional to 645,991.75, 968,996.27 and 202,759.75
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Solution
The fourth proportional to 645,991.75, 968,996.27 and 202,759.75 is: 304,142.34
Step by Step Solution
- Step 1: Write the proportion equation
645,991.75 : 968,996.27 = 202,759.75 : x - Step 2: Convert to fraction form
645,991.75/968,996.27 = 202,759.75/x - Step 3: Cross multiply
645,991.75x = 968,996.27 × 202,759.75 - Step 4: Simplify right side
645,991.75x = 196,473,441,456.13 - Step 5: Solve for x
x = 196,473,441,456.13/645,991.75 - Step 6: Final answer
x = 304,142.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.