Finding the Fourth Proportional to 400,876.48, 553,203.48 and 219,586.96
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Solution
The fourth proportional to 400,876.48, 553,203.48 and 219,586.96 is: 303,026.68
Step by Step Solution
- Step 1: Write the proportion equation
400,876.48 : 553,203.48 = 219,586.96 : x - Step 2: Convert to fraction form
400,876.48/553,203.48 = 219,586.96/x - Step 3: Cross multiply
400,876.48x = 553,203.48 × 219,586.96 - Step 4: Simplify right side
400,876.48x = 121,476,270,434.62 - Step 5: Solve for x
x = 121,476,270,434.62/400,876.48 - Step 6: Final answer
x = 303,026.68
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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.