Finding the Fourth Proportional to 201,652.70, 302,479.05 and 131,611.10
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Solution
The fourth proportional to 201,652.70, 302,479.05 and 131,611.10 is: 197,416.65
Step by Step Solution
- Step 1: Write the proportion equation
201,652.70 : 302,479.05 = 131,611.10 : x - Step 2: Convert to fraction form
201,652.70/302,479.05 = 131,611.10/x - Step 3: Cross multiply
201,652.70x = 302,479.05 × 131,611.10 - Step 4: Simplify right side
201,652.70x = 39,809,600,497.46 - Step 5: Solve for x
x = 39,809,600,497.46/201,652.70 - Step 6: Final answer
x = 197,416.65
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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.