Finding the Fourth Proportional to 201,866.80, 302,472.15 and 168,405.70
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Solution
The fourth proportional to 201,866.80, 302,472.15 and 168,405.70 is: 252,334.88
Step by Step Solution
- Step 1: Write the proportion equation
201,866.80 : 302,472.15 = 168,405.70 : x - Step 2: Convert to fraction form
201,866.80/302,472.15 = 168,405.70/x - Step 3: Cross multiply
201,866.80x = 302,472.15 × 168,405.70 - Step 4: Simplify right side
201,866.80x = 50,938,034,151.26 - Step 5: Solve for x
x = 50,938,034,151.26/201,866.80 - Step 6: Final answer
x = 252,334.88
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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.