Finding the Fourth Proportional to 271,295.80, 406,937.30 and 74,303.80
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Solution
The fourth proportional to 271,295.80, 406,937.30 and 74,303.80 is: 111,453.95
Step by Step Solution
- Step 1: Write the proportion equation
271,295.80 : 406,937.30 = 74,303.80 : x - Step 2: Convert to fraction form
271,295.80/406,937.30 = 74,303.80/x - Step 3: Cross multiply
271,295.80x = 406,937.30 × 74,303.80 - Step 4: Simplify right side
271,295.80x = 30,236,987,751.74 - Step 5: Solve for x
x = 30,236,987,751.74/271,295.80 - Step 6: Final answer
x = 111,453.95
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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.