Finding the Fourth Proportional to 201,721.30, 302,581.95 and 113,247.70
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Solution
The fourth proportional to 201,721.30, 302,581.95 and 113,247.70 is: 169,871.55
Step by Step Solution
- Step 1: Write the proportion equation
201,721.30 : 302,581.95 = 113,247.70 : x - Step 2: Convert to fraction form
201,721.30/302,581.95 = 113,247.70/x - Step 3: Cross multiply
201,721.30x = 302,581.95 × 113,247.70 - Step 4: Simplify right side
201,721.30x = 34,266,709,899.02 - Step 5: Solve for x
x = 34,266,709,899.02/201,721.30 - Step 6: Final answer
x = 169,871.55
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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.