Finding the Fourth Proportional to 202,720.76, 279,753.18 and 112,080.68
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Solution
The fourth proportional to 202,720.76, 279,753.18 and 112,080.68 is: 154,670.53
Step by Step Solution
- Step 1: Write the proportion equation
202,720.76 : 279,753.18 = 112,080.68 : x - Step 2: Convert to fraction form
202,720.76/279,753.18 = 112,080.68/x - Step 3: Cross multiply
202,720.76x = 279,753.18 × 112,080.68 - Step 4: Simplify right side
202,720.76x = 31,354,926,646.56 - Step 5: Solve for x
x = 31,354,926,646.56/202,720.76 - Step 6: Final answer
x = 154,670.53
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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.