Finding the Fourth Proportional to 295,202.80, 442,804.20 and 278,873.20
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Solution
The fourth proportional to 295,202.80, 442,804.20 and 278,873.20 is: 418,309.80
Step by Step Solution
- Step 1: Write the proportion equation
295,202.80 : 442,804.20 = 278,873.20 : x - Step 2: Convert to fraction form
295,202.80/442,804.20 = 278,873.20/x - Step 3: Cross multiply
295,202.80x = 442,804.20 × 278,873.20 - Step 4: Simplify right side
295,202.80x = 123,486,224,227.44 - Step 5: Solve for x
x = 123,486,224,227.44/295,202.80 - Step 6: Final answer
x = 418,309.80
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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.