Finding the Fourth Proportional to 521,581.92, 719,614.80 and 292,104.96
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Solution
The fourth proportional to 521,581.92, 719,614.80 and 292,104.96 is: 403,010.62
Step by Step Solution
- Step 1: Write the proportion equation
521,581.92 : 719,614.80 = 292,104.96 : x - Step 2: Convert to fraction form
521,581.92/719,614.80 = 292,104.96/x - Step 3: Cross multiply
521,581.92x = 719,614.80 × 292,104.96 - Step 4: Simplify right side
521,581.92x = 210,203,052,369.41 - Step 5: Solve for x
x = 210,203,052,369.41/521,581.92 - Step 6: Final answer
x = 403,010.62
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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.