Finding the Fourth Proportional to 738,117.60, 1,107,176.40 and 239,481.60
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Solution
The fourth proportional to 738,117.60, 1,107,176.40 and 239,481.60 is: 359,222.40
Step by Step Solution
- Step 1: Write the proportion equation
738,117.60 : 1,107,176.40 = 239,481.60 : x - Step 2: Convert to fraction form
738,117.60/1,107,176.40 = 239,481.60/x - Step 3: Cross multiply
738,117.60x = 1,107,176.40 × 239,481.60 - Step 4: Simplify right side
738,117.60x = 265,148,375,754.24 - Step 5: Solve for x
x = 265,148,375,754.24/738,117.60 - Step 6: Final answer
x = 359,222.40
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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.