Finding the Fourth Proportional to 102,220.80, 153,331.20 and 32,107.20
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Solution
The fourth proportional to 102,220.80, 153,331.20 and 32,107.20 is: 48,160.80
Step by Step Solution
- Step 1: Write the proportion equation
102,220.80 : 153,331.20 = 32,107.20 : x - Step 2: Convert to fraction form
102,220.80/153,331.20 = 32,107.20/x - Step 3: Cross multiply
102,220.80x = 153,331.20 × 32,107.20 - Step 4: Simplify right side
102,220.80x = 4,923,035,504.64 - Step 5: Solve for x
x = 4,923,035,504.64/102,220.80 - Step 6: Final answer
x = 48,160.80
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1.5x scale
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.