Finding the Fourth Proportional to 367,740.80, 551,319.60 and 201,528.80
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Solution
The fourth proportional to 367,740.80, 551,319.60 and 201,528.80 is: 302,133.40
Step by Step Solution
- Step 1: Write the proportion equation
367,740.80 : 551,319.60 = 201,528.80 : x - Step 2: Convert to fraction form
367,740.80/551,319.60 = 201,528.80/x - Step 3: Cross multiply
367,740.80x = 551,319.60 × 201,528.80 - Step 4: Simplify right side
367,740.80x = 111,106,777,404.48 - Step 5: Solve for x
x = 111,106,777,404.48/367,740.80 - Step 6: Final answer
x = 302,133.40
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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.