Finding the Fourth Proportional to 603,178.18, 832,399.84 and 345,079.36
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Solution
The fourth proportional to 603,178.18, 832,399.84 and 345,079.36 is: 476,217.50
Step by Step Solution
- Step 1: Write the proportion equation
603,178.18 : 832,399.84 = 345,079.36 : x - Step 2: Convert to fraction form
603,178.18/832,399.84 = 345,079.36/x - Step 3: Cross multiply
603,178.18x = 832,399.84 × 345,079.36 - Step 4: Simplify right side
603,178.18x = 287,244,004,051.30 - Step 5: Solve for x
x = 287,244,004,051.30/603,178.18 - Step 6: Final answer
x = 476,217.50
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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.