Finding the Fourth Proportional to 395,808.80, 593,655.60 and 115,296.80
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Solution
The fourth proportional to 395,808.80, 593,655.60 and 115,296.80 is: 172,928.42
Step by Step Solution
- Step 1: Write the proportion equation
395,808.80 : 593,655.60 = 115,296.80 : x - Step 2: Convert to fraction form
395,808.80/593,655.60 = 115,296.80/x - Step 3: Cross multiply
395,808.80x = 593,655.60 × 115,296.80 - Step 4: Simplify right side
395,808.80x = 68,446,590,982.08 - Step 5: Solve for x
x = 68,446,590,982.08/395,808.80 - Step 6: Final answer
x = 172,928.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.