Finding the Fourth Proportional to 135,422.81, 203,133.70 and 40,652.57
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Solution
The fourth proportional to 135,422.81, 203,133.70 and 40,652.57 is: 60,978.70
Step by Step Solution
- Step 1: Write the proportion equation
135,422.81 : 203,133.70 = 40,652.57 : x - Step 2: Convert to fraction form
135,422.81/203,133.70 = 40,652.57/x - Step 3: Cross multiply
135,422.81x = 203,133.70 × 40,652.57 - Step 4: Simplify right side
135,422.81x = 8,257,906,958.61 - Step 5: Solve for x
x = 8,257,906,958.61/135,422.81 - Step 6: Final answer
x = 60,978.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.