Finding the Fourth Proportional to 201,742.40, 302,759.40 and 112,901.60
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Solution
The fourth proportional to 201,742.40, 302,759.40 and 112,901.60 is: 169,433.99
Step by Step Solution
- Step 1: Write the proportion equation
201,742.40 : 302,759.40 = 112,901.60 : x - Step 2: Convert to fraction form
201,742.40/302,759.40 = 112,901.60/x - Step 3: Cross multiply
201,742.40x = 302,759.40 × 112,901.60 - Step 4: Simplify right side
201,742.40x = 34,182,020,675.04 - Step 5: Solve for x
x = 34,182,020,675.04/201,742.40 - Step 6: Final answer
x = 169,433.99
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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.