Finding the Fourth Proportional to 135,938.99, 203,908.62 and 51,679.37
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Solution
The fourth proportional to 135,938.99, 203,908.62 and 51,679.37 is: 77,519.11
Step by Step Solution
- Step 1: Write the proportion equation
135,938.99 : 203,908.62 = 51,679.37 : x - Step 2: Convert to fraction form
135,938.99/203,908.62 = 51,679.37/x - Step 3: Cross multiply
135,938.99x = 203,908.62 × 51,679.37 - Step 4: Simplify right side
135,938.99x = 10,537,869,019.17 - Step 5: Solve for x
x = 10,537,869,019.17/135,938.99 - Step 6: Final answer
x = 77,519.11
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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.