Finding the Fourth Proportional to 372,612.10, 514,204.56 and 202,846.18
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Solution
The fourth proportional to 372,612.10, 514,204.56 and 202,846.18 is: 279,927.65
Step by Step Solution
- Step 1: Write the proportion equation
372,612.10 : 514,204.56 = 202,846.18 : x - Step 2: Convert to fraction form
372,612.10/514,204.56 = 202,846.18/x - Step 3: Cross multiply
372,612.10x = 514,204.56 × 202,846.18 - Step 4: Simplify right side
372,612.10x = 104,304,430,734.58 - Step 5: Solve for x
x = 104,304,430,734.58/372,612.10 - Step 6: Final answer
x = 279,927.65
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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.