Finding the Fourth Proportional to 351,637.44, 485,294.40 and 200,757.12
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Solution
The fourth proportional to 351,637.44, 485,294.40 and 200,757.12 is: 277,064.66
Step by Step Solution
- Step 1: Write the proportion equation
351,637.44 : 485,294.40 = 200,757.12 : x - Step 2: Convert to fraction form
351,637.44/485,294.40 = 200,757.12/x - Step 3: Cross multiply
351,637.44x = 485,294.40 × 200,757.12 - Step 4: Simplify right side
351,637.44x = 97,426,306,096.13 - Step 5: Solve for x
x = 97,426,306,096.13/351,637.44 - Step 6: Final answer
x = 277,064.66
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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.