Finding the Fourth Proportional to 351,118.40, 526,677.60 and 201,819.20
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Solution
The fourth proportional to 351,118.40, 526,677.60 and 201,819.20 is: 302,728.80
Step by Step Solution
- Step 1: Write the proportion equation
351,118.40 : 526,677.60 = 201,819.20 : x - Step 2: Convert to fraction form
351,118.40/526,677.60 = 201,819.20/x - Step 3: Cross multiply
351,118.40x = 526,677.60 × 201,819.20 - Step 4: Simplify right side
351,118.40x = 106,293,651,889.92 - Step 5: Solve for x
x = 106,293,651,889.92/351,118.40 - Step 6: Final answer
x = 302,728.80
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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.