Finding the Fourth Proportional to 135,607.21, 203,424.49 and 35,774.31
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Solution
The fourth proportional to 135,607.21, 203,424.49 and 35,774.31 is: 53,665.07
Step by Step Solution
- Step 1: Write the proportion equation
135,607.21 : 203,424.49 = 35,774.31 : x - Step 2: Convert to fraction form
135,607.21/203,424.49 = 35,774.31/x - Step 3: Cross multiply
135,607.21x = 203,424.49 × 35,774.31 - Step 4: Simplify right side
135,607.21x = 7,277,370,329.53 - Step 5: Solve for x
x = 7,277,370,329.53/135,607.21 - Step 6: Final answer
x = 53,665.07
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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.