Finding the Fourth Proportional to 201,611.60, 302,125.80 and 89,199.80
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Solution
The fourth proportional to 201,611.60, 302,125.80 and 89,199.80 is: 133,670.69
Step by Step Solution
- Step 1: Write the proportion equation
201,611.60 : 302,125.80 = 89,199.80 : x - Step 2: Convert to fraction form
201,611.60/302,125.80 = 89,199.80/x - Step 3: Cross multiply
201,611.60x = 302,125.80 × 89,199.80 - Step 4: Simplify right side
201,611.60x = 26,949,560,934.84 - Step 5: Solve for x
x = 26,949,560,934.84/201,611.60 - Step 6: Final answer
x = 133,670.69
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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.