Finding the Fourth Proportional to 367,984.80, 551,685.60 and 201,772.80
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Solution
The fourth proportional to 367,984.80, 551,685.60 and 201,772.80 is: 302,499.31
Step by Step Solution
- Step 1: Write the proportion equation
367,984.80 : 551,685.60 = 201,772.80 : x - Step 2: Convert to fraction form
367,984.80/551,685.60 = 201,772.80/x - Step 3: Cross multiply
367,984.80x = 551,685.60 × 201,772.80 - Step 4: Simplify right side
367,984.80x = 111,315,148,231.68 - Step 5: Solve for x
x = 111,315,148,231.68/367,984.80 - Step 6: Final answer
x = 302,499.31
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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.