Finding the Fourth Proportional to 395,069.23, 545,191.73 and 213,777.19
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Solution
The fourth proportional to 395,069.23, 545,191.73 and 213,777.19 is: 295,010.46
Step by Step Solution
- Step 1: Write the proportion equation
395,069.23 : 545,191.73 = 213,777.19 : x - Step 2: Convert to fraction form
395,069.23/545,191.73 = 213,777.19/x - Step 3: Cross multiply
395,069.23x = 545,191.73 × 213,777.19 - Step 4: Simplify right side
395,069.23x = 116,549,556,050.64 - Step 5: Solve for x
x = 116,549,556,050.64/395,069.23 - Step 6: Final answer
x = 295,010.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.