Finding the Fourth Proportional to 281,569.08, 388,468.20 and 160,623.12
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Solution
The fourth proportional to 281,569.08, 388,468.20 and 160,623.12 is: 221,604.50
Step by Step Solution
- Step 1: Write the proportion equation
281,569.08 : 388,468.20 = 160,623.12 : x - Step 2: Convert to fraction form
281,569.08/388,468.20 = 160,623.12/x - Step 3: Cross multiply
281,569.08x = 388,468.20 × 160,623.12 - Step 4: Simplify right side
281,569.08x = 62,396,974,304.78 - Step 5: Solve for x
x = 62,396,974,304.78/281,569.08 - Step 6: Final answer
x = 221,604.50
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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.