Finding the Fourth Proportional to 493,467.80, 740,201.70 and 177,956.60
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Solution
The fourth proportional to 493,467.80, 740,201.70 and 177,956.60 is: 266,934.90
Step by Step Solution
- Step 1: Write the proportion equation
493,467.80 : 740,201.70 = 177,956.60 : x - Step 2: Convert to fraction form
493,467.80/740,201.70 = 177,956.60/x - Step 3: Cross multiply
493,467.80x = 740,201.70 × 177,956.60 - Step 4: Simplify right side
493,467.80x = 131,723,777,846.22 - Step 5: Solve for x
x = 131,723,777,846.22/493,467.80 - Step 6: Final answer
x = 266,934.90
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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.