Finding the Fourth Proportional to 603,920.70, 905,305.05 and 224,739.90
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Solution
The fourth proportional to 603,920.70, 905,305.05 and 224,739.90 is: 336,895.50
Step by Step Solution
- Step 1: Write the proportion equation
603,920.70 : 905,305.05 = 224,739.90 : x - Step 2: Convert to fraction form
603,920.70/905,305.05 = 224,739.90/x - Step 3: Cross multiply
603,920.70x = 905,305.05 × 224,739.90 - Step 4: Simplify right side
603,920.70x = 203,458,166,406.50 - Step 5: Solve for x
x = 203,458,166,406.50/603,920.70 - Step 6: Final answer
x = 336,895.50
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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.