Finding the Fourth Proportional to 150,430.64, 225,587.62 and 80,271.68
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Solution
The fourth proportional to 150,430.64, 225,587.62 and 80,271.68 is: 120,376.39
Step by Step Solution
- Step 1: Write the proportion equation
150,430.64 : 225,587.62 = 80,271.68 : x - Step 2: Convert to fraction form
150,430.64/225,587.62 = 80,271.68/x - Step 3: Cross multiply
150,430.64x = 225,587.62 × 80,271.68 - Step 4: Simplify right side
150,430.64x = 18,108,297,244.60 - Step 5: Solve for x
x = 18,108,297,244.60/150,430.64 - Step 6: Final answer
x = 120,376.39
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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.