Finding the Fourth Proportional to 367,593.20, 551,389.80 and 131,202.80
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Solution
The fourth proportional to 367,593.20, 551,389.80 and 131,202.80 is: 196,804.20
Step by Step Solution
- Step 1: Write the proportion equation
367,593.20 : 551,389.80 = 131,202.80 : x - Step 2: Convert to fraction form
367,593.20/551,389.80 = 131,202.80/x - Step 3: Cross multiply
367,593.20x = 551,389.80 × 131,202.80 - Step 4: Simplify right side
367,593.20x = 72,343,885,651.44 - Step 5: Solve for x
x = 72,343,885,651.44/367,593.20 - Step 6: Final answer
x = 196,804.20
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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.