Finding the Fourth Proportional to 135,939.70, 203,938.73 and 52,833.70
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Solution
The fourth proportional to 135,939.70, 203,938.73 and 52,833.70 is: 79,261.89
Step by Step Solution
- Step 1: Write the proportion equation
135,939.70 : 203,938.73 = 52,833.70 : x - Step 2: Convert to fraction form
135,939.70/203,938.73 = 52,833.70/x - Step 3: Cross multiply
135,939.70x = 203,938.73 × 52,833.70 - Step 4: Simplify right side
135,939.70x = 10,774,837,679.20 - Step 5: Solve for x
x = 10,774,837,679.20/135,939.70 - Step 6: Final answer
x = 79,261.89
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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.