Finding the Fourth Proportional to 395,821.92, 593,675.28 and 115,263.84
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Solution
The fourth proportional to 395,821.92, 593,675.28 and 115,263.84 is: 172,878.99
Step by Step Solution
- Step 1: Write the proportion equation
395,821.92 : 593,675.28 = 115,263.84 : x - Step 2: Convert to fraction form
395,821.92/593,675.28 = 115,263.84/x - Step 3: Cross multiply
395,821.92x = 593,675.28 × 115,263.84 - Step 4: Simplify right side
395,821.92x = 68,429,292,485.88 - Step 5: Solve for x
x = 68,429,292,485.88/395,821.92 - Step 6: Final answer
x = 172,878.99
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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.