Finding the Fourth Proportional to 395,181.08, 592,473.50 and 128,782.52
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Solution
The fourth proportional to 395,181.08, 592,473.50 and 128,782.52 is: 193,076.63
Step by Step Solution
- Step 1: Write the proportion equation
395,181.08 : 592,473.50 = 128,782.52 : x - Step 2: Convert to fraction form
395,181.08/592,473.50 = 128,782.52/x - Step 3: Cross multiply
395,181.08x = 592,473.50 × 128,782.52 - Step 4: Simplify right side
395,181.08x = 76,300,230,363.22 - Step 5: Solve for x
x = 76,300,230,363.22/395,181.08 - Step 6: Final answer
x = 193,076.63
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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.