Finding the Fourth Proportional to 372,638.40, 514,240.96 and 202,872.52
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Solution
The fourth proportional to 372,638.40, 514,240.96 and 202,872.52 is: 279,964.06
Step by Step Solution
- Step 1: Write the proportion equation
372,638.40 : 514,240.96 = 202,872.52 : x - Step 2: Convert to fraction form
372,638.40/514,240.96 = 202,872.52/x - Step 3: Cross multiply
372,638.40x = 514,240.96 × 202,872.52 - Step 4: Simplify right side
372,638.40x = 104,325,359,442.42 - Step 5: Solve for x
x = 104,325,359,442.42/372,638.40 - Step 6: Final answer
x = 279,964.06
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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.