Finding the Fourth Proportional to 228,153.97, 340,559.87 and 201,220.21
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Solution
The fourth proportional to 228,153.97, 340,559.87 and 201,220.21 is: 300,356.50
Step by Step Solution
- Step 1: Write the proportion equation
228,153.97 : 340,559.87 = 201,220.21 : x - Step 2: Convert to fraction form
228,153.97/340,559.87 = 201,220.21/x - Step 3: Cross multiply
228,153.97x = 340,559.87 × 201,220.21 - Step 4: Simplify right side
228,153.97x = 68,527,528,558.97 - Step 5: Solve for x
x = 68,527,528,558.97/228,153.97 - Step 6: Final answer
x = 300,356.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.