Finding the Fourth Proportional to 202,682.88, 279,800.16 and 134,812.80
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Solution
The fourth proportional to 202,682.88, 279,800.16 and 134,812.80 is: 186,106.71
Step by Step Solution
- Step 1: Write the proportion equation
202,682.88 : 279,800.16 = 134,812.80 : x - Step 2: Convert to fraction form
202,682.88/279,800.16 = 134,812.80/x - Step 3: Cross multiply
202,682.88x = 279,800.16 × 134,812.80 - Step 4: Simplify right side
202,682.88x = 37,720,643,010.05 - Step 5: Solve for x
x = 37,720,643,010.05/202,682.88 - Step 6: Final answer
x = 186,106.71
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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.