Finding the Fourth Proportional to 400,472.12, 552,629.04 and 219,183.68
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Solution
The fourth proportional to 400,472.12, 552,629.04 and 219,183.68 is: 302,461.17
Step by Step Solution
- Step 1: Write the proportion equation
400,472.12 : 552,629.04 = 219,183.68 : x - Step 2: Convert to fraction form
400,472.12/552,629.04 = 219,183.68/x - Step 3: Cross multiply
400,472.12x = 552,629.04 × 219,183.68 - Step 4: Simplify right side
400,472.12x = 121,127,266,662.07 - Step 5: Solve for x
x = 121,127,266,662.07/400,472.12 - Step 6: Final answer
x = 302,461.17
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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.