Finding the Fourth Proportional to 201,611.30, 302,416.95 and 83,221.70
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Solution
The fourth proportional to 201,611.30, 302,416.95 and 83,221.70 is: 124,832.55
Step by Step Solution
- Step 1: Write the proportion equation
201,611.30 : 302,416.95 = 83,221.70 : x - Step 2: Convert to fraction form
201,611.30/302,416.95 = 83,221.70/x - Step 3: Cross multiply
201,611.30x = 302,416.95 × 83,221.70 - Step 4: Simplify right side
201,611.30x = 25,167,652,687.82 - Step 5: Solve for x
x = 25,167,652,687.82/201,611.30 - Step 6: Final answer
x = 124,832.55
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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.