Finding the Fourth Proportional to 281,442.44, 388,382.99 and 160,581.53
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Solution
The fourth proportional to 281,442.44, 388,382.99 and 160,581.53 is: 221,598.19
Step by Step Solution
- Step 1: Write the proportion equation
281,442.44 : 388,382.99 = 160,581.53 : x - Step 2: Convert to fraction form
281,442.44/388,382.99 = 160,581.53/x - Step 3: Cross multiply
281,442.44x = 388,382.99 × 160,581.53 - Step 4: Simplify right side
281,442.44x = 62,367,134,760.17 - Step 5: Solve for x
x = 62,367,134,760.17/281,442.44 - Step 6: Final answer
x = 221,598.19
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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.