Finding the Fourth Proportional to 395,656.96, 593,377.92 and 115,101.44
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Solution
The fourth proportional to 395,656.96, 593,377.92 and 115,101.44 is: 172,620.88
Step by Step Solution
- Step 1: Write the proportion equation
395,656.96 : 593,377.92 = 115,101.44 : x - Step 2: Convert to fraction form
395,656.96/593,377.92 = 115,101.44/x - Step 3: Cross multiply
395,656.96x = 593,377.92 × 115,101.44 - Step 4: Simplify right side
395,656.96x = 68,298,653,056.20 - Step 5: Solve for x
x = 68,298,653,056.20/395,656.96 - Step 6: Final answer
x = 172,620.88
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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.