Finding the Fourth Proportional to 205,850.40, 308,775.60 and 201,703.20
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Solution
The fourth proportional to 205,850.40, 308,775.60 and 201,703.20 is: 302,554.80
Step by Step Solution
- Step 1: Write the proportion equation
205,850.40 : 308,775.60 = 201,703.20 : x - Step 2: Convert to fraction form
205,850.40/308,775.60 = 201,703.20/x - Step 3: Cross multiply
205,850.40x = 308,775.60 × 201,703.20 - Step 4: Simplify right side
205,850.40x = 62,281,026,601.92 - Step 5: Solve for x
x = 62,281,026,601.92/205,850.40 - Step 6: Final answer
x = 302,554.80
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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.