Finding the Fourth Proportional to 150,175.20, 207,241.80 and 93,586.80
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Solution
The fourth proportional to 150,175.20, 207,241.80 and 93,586.80 is: 129,149.80
Step by Step Solution
- Step 1: Write the proportion equation
150,175.20 : 207,241.80 = 93,586.80 : x - Step 2: Convert to fraction form
150,175.20/207,241.80 = 93,586.80/x - Step 3: Cross multiply
150,175.20x = 207,241.80 × 93,586.80 - Step 4: Simplify right side
150,175.20x = 19,395,096,888.24 - Step 5: Solve for x
x = 19,395,096,888.24/150,175.20 - Step 6: Final answer
x = 129,149.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.