Finding the Fourth Proportional to 135,938.24, 203,907.54 and 51,678.62
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Solution
The fourth proportional to 135,938.24, 203,907.54 and 51,678.62 is: 77,518.00
Step by Step Solution
- Step 1: Write the proportion equation
135,938.24 : 203,907.54 = 51,678.62 : x - Step 2: Convert to fraction form
135,938.24/203,907.54 = 51,678.62/x - Step 3: Cross multiply
135,938.24x = 203,907.54 × 51,678.62 - Step 4: Simplify right side
135,938.24x = 10,537,660,274.79 - Step 5: Solve for x
x = 10,537,660,274.79/135,938.24 - Step 6: Final answer
x = 77,518.00
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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.