Finding the Fourth Proportional to 400,649.49, 552,896.34 and 219,372.65
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Solution
The fourth proportional to 400,649.49, 552,896.34 and 219,372.65 is: 302,734.28
Step by Step Solution
- Step 1: Write the proportion equation
400,649.49 : 552,896.34 = 219,372.65 : x - Step 2: Convert to fraction form
400,649.49/552,896.34 = 219,372.65/x - Step 3: Cross multiply
400,649.49x = 552,896.34 × 219,372.65 - Step 4: Simplify right side
400,649.49x = 121,290,335,281.10 - Step 5: Solve for x
x = 121,290,335,281.10/400,649.49 - Step 6: Final answer
x = 302,734.28
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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.