Finding the Fourth Proportional to 201,652.60, 302,478.90 and 170,159.80
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Solution
The fourth proportional to 201,652.60, 302,478.90 and 170,159.80 is: 255,239.70
Step by Step Solution
- Step 1: Write the proportion equation
201,652.60 : 302,478.90 = 170,159.80 : x - Step 2: Convert to fraction form
201,652.60/302,478.90 = 170,159.80/x - Step 3: Cross multiply
201,652.60x = 302,478.90 × 170,159.80 - Step 4: Simplify right side
201,652.60x = 51,469,749,128.22 - Step 5: Solve for x
x = 51,469,749,128.22/201,652.60 - Step 6: Final answer
x = 255,239.70
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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.