Finding the Fourth Proportional to 201,344.80, 302,211.60 and 122,612.80
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Solution
The fourth proportional to 201,344.80, 302,211.60 and 122,612.80 is: 184,037.58
Step by Step Solution
- Step 1: Write the proportion equation
201,344.80 : 302,211.60 = 122,612.80 : x - Step 2: Convert to fraction form
201,344.80/302,211.60 = 122,612.80/x - Step 3: Cross multiply
201,344.80x = 302,211.60 × 122,612.80 - Step 4: Simplify right side
201,344.80x = 37,055,010,468.48 - Step 5: Solve for x
x = 37,055,010,468.48/201,344.80 - Step 6: Final answer
x = 184,037.58
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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.