Finding the Fourth Proportional to 204,241.08, 306,405.36 and 85,844.19
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Solution
The fourth proportional to 204,241.08, 306,405.36 and 85,844.19 is: 128,784.67
Step by Step Solution
- Step 1: Write the proportion equation
204,241.08 : 306,405.36 = 85,844.19 : x - Step 2: Convert to fraction form
204,241.08/306,405.36 = 85,844.19/x - Step 3: Cross multiply
204,241.08x = 306,405.36 × 85,844.19 - Step 4: Simplify right side
204,241.08x = 26,303,119,940.86 - Step 5: Solve for x
x = 26,303,119,940.86/204,241.08 - Step 6: Final answer
x = 128,784.67
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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.