Finding the Fourth Proportional to 295,021.20, 442,531.80 and 201,709.20
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Solution
The fourth proportional to 295,021.20, 442,531.80 and 201,709.20 is: 302,563.80
Step by Step Solution
- Step 1: Write the proportion equation
295,021.20 : 442,531.80 = 201,709.20 : x - Step 2: Convert to fraction form
295,021.20/442,531.80 = 201,709.20/x - Step 3: Cross multiply
295,021.20x = 442,531.80 × 201,709.20 - Step 4: Simplify right side
295,021.20x = 89,262,735,352.56 - Step 5: Solve for x
x = 89,262,735,352.56/295,021.20 - Step 6: Final answer
x = 302,563.80
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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.