Finding the Fourth Proportional to 202,490.21, 279,439.43 and 117,607.26
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Solution
The fourth proportional to 202,490.21, 279,439.43 and 117,607.26 is: 162,299.73
Step by Step Solution
- Step 1: Write the proportion equation
202,490.21 : 279,439.43 = 117,607.26 : x - Step 2: Convert to fraction form
202,490.21/279,439.43 = 117,607.26/x - Step 3: Cross multiply
202,490.21x = 279,439.43 × 117,607.26 - Step 4: Simplify right side
202,490.21x = 32,864,105,110.23 - Step 5: Solve for x
x = 32,864,105,110.23/202,490.21 - Step 6: Final answer
x = 162,299.73
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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.