Finding the Fourth Proportional to 449,703.38, 620,598.84 and 245,762.96
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Solution
The fourth proportional to 449,703.38, 620,598.84 and 245,762.96 is: 339,157.35
Step by Step Solution
- Step 1: Write the proportion equation
449,703.38 : 620,598.84 = 245,762.96 : x - Step 2: Convert to fraction form
449,703.38/620,598.84 = 245,762.96/x - Step 3: Cross multiply
449,703.38x = 620,598.84 × 245,762.96 - Step 4: Simplify right side
449,703.38x = 152,520,207,890.97 - Step 5: Solve for x
x = 152,520,207,890.97/449,703.38 - Step 6: Final answer
x = 339,157.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.