Finding the Fourth Proportional to 372,638.40, 514,224.48 and 202,872.96
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Solution
The fourth proportional to 372,638.40, 514,224.48 and 202,872.96 is: 279,955.70
Step by Step Solution
- Step 1: Write the proportion equation
372,638.40 : 514,224.48 = 202,872.96 : x - Step 2: Convert to fraction form
372,638.40/514,224.48 = 202,872.96/x - Step 3: Cross multiply
372,638.40x = 514,224.48 × 202,872.96 - Step 4: Simplify right side
372,638.40x = 104,322,242,362.06 - Step 5: Solve for x
x = 104,322,242,362.06/372,638.40 - Step 6: Final answer
x = 279,955.70
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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.