Finding the Fourth Proportional to 135,524.40, 203,014.44 and 76,271.28
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Solution
The fourth proportional to 135,524.40, 203,014.44 and 76,271.28 is: 114,253.75
Step by Step Solution
- Step 1: Write the proportion equation
135,524.40 : 203,014.44 = 76,271.28 : x - Step 2: Convert to fraction form
135,524.40/203,014.44 = 76,271.28/x - Step 3: Cross multiply
135,524.40x = 203,014.44 × 76,271.28 - Step 4: Simplify right side
135,524.40x = 15,484,171,197.28 - Step 5: Solve for x
x = 15,484,171,197.28/135,524.40 - Step 6: Final answer
x = 114,253.75
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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.