Finding the Fourth Proportional to 281,560.91, 388,458.95 and 160,617.08
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Solution
The fourth proportional to 281,560.91, 388,458.95 and 160,617.08 is: 221,597.32
Step by Step Solution
- Step 1: Write the proportion equation
281,560.91 : 388,458.95 = 160,617.08 : x - Step 2: Convert to fraction form
281,560.91/388,458.95 = 160,617.08/x - Step 3: Cross multiply
281,560.91x = 388,458.95 × 160,617.08 - Step 4: Simplify right side
281,560.91x = 62,393,142,416.93 - Step 5: Solve for x
x = 62,393,142,416.93/281,560.91 - Step 6: Final answer
x = 221,597.32
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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.