Finding the Fourth Proportional to 325,157.44, 487,891.68 and 114,894.40
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Solution
The fourth proportional to 325,157.44, 487,891.68 and 114,894.40 is: 172,396.55
Step by Step Solution
- Step 1: Write the proportion equation
325,157.44 : 487,891.68 = 114,894.40 : x - Step 2: Convert to fraction form
325,157.44/487,891.68 = 114,894.40/x - Step 3: Cross multiply
325,157.44x = 487,891.68 × 114,894.40 - Step 4: Simplify right side
325,157.44x = 56,056,021,838.59 - Step 5: Solve for x
x = 56,056,021,838.59/325,157.44 - Step 6: Final answer
x = 172,396.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.