Finding the Fourth Proportional to 499,237.20, 748,855.80 and 277,621.20
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Solution
The fourth proportional to 499,237.20, 748,855.80 and 277,621.20 is: 416,431.80
Step by Step Solution
- Step 1: Write the proportion equation
499,237.20 : 748,855.80 = 277,621.20 : x - Step 2: Convert to fraction form
499,237.20/748,855.80 = 277,621.20/x - Step 3: Cross multiply
499,237.20x = 748,855.80 × 277,621.20 - Step 4: Simplify right side
499,237.20x = 207,898,245,822.96 - Step 5: Solve for x
x = 207,898,245,822.96/499,237.20 - Step 6: Final answer
x = 416,431.80
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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.