Finding the Fourth Proportional to 177,422.40, 266,133.60 and 107,438.40
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Solution
The fourth proportional to 177,422.40, 266,133.60 and 107,438.40 is: 161,157.60
Step by Step Solution
- Step 1: Write the proportion equation
177,422.40 : 266,133.60 = 107,438.40 : x - Step 2: Convert to fraction form
177,422.40/266,133.60 = 107,438.40/x - Step 3: Cross multiply
177,422.40x = 266,133.60 × 107,438.40 - Step 4: Simplify right side
177,422.40x = 28,592,968,170.24 - Step 5: Solve for x
x = 28,592,968,170.24/177,422.40 - Step 6: Final answer
x = 161,157.60
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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.