Finding the Fourth Proportional to 645,519.38, 968,434.58 and 202,287.38
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Solution
The fourth proportional to 645,519.38, 968,434.58 and 202,287.38 is: 303,479.80
Step by Step Solution
- Step 1: Write the proportion equation
645,519.38 : 968,434.58 = 202,287.38 : x - Step 2: Convert to fraction form
645,519.38/968,434.58 = 202,287.38/x - Step 3: Cross multiply
645,519.38x = 968,434.58 × 202,287.38 - Step 4: Simplify right side
645,519.38x = 195,902,089,553.15 - Step 5: Solve for x
x = 195,902,089,553.15/645,519.38 - Step 6: Final answer
x = 303,479.80
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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.