Finding the Fourth Proportional to 395,175.41, 592,824.85 and 128,873.99
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Solution
The fourth proportional to 395,175.41, 592,824.85 and 128,873.99 is: 193,331.11
Step by Step Solution
- Step 1: Write the proportion equation
395,175.41 : 592,824.85 = 128,873.99 : x - Step 2: Convert to fraction form
395,175.41/592,824.85 = 128,873.99/x - Step 3: Cross multiply
395,175.41x = 592,824.85 × 128,873.99 - Step 4: Simplify right side
395,175.41x = 76,399,701,978.35 - Step 5: Solve for x
x = 76,399,701,978.35/395,175.41 - Step 6: Final answer
x = 193,331.11
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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.