Finding the Fourth Proportional to 150,125.20, 225,115.08 and 61,343.44
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Solution
The fourth proportional to 150,125.20, 225,115.08 and 61,343.44 is: 91,985.45
Step by Step Solution
- Step 1: Write the proportion equation
150,125.20 : 225,115.08 = 61,343.44 : x - Step 2: Convert to fraction form
150,125.20/225,115.08 = 61,343.44/x - Step 3: Cross multiply
150,125.20x = 225,115.08 × 61,343.44 - Step 4: Simplify right side
150,125.20x = 13,809,333,403.08 - Step 5: Solve for x
x = 13,809,333,403.08/150,125.20 - Step 6: Final answer
x = 91,985.45
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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.