Finding the Fourth Proportional to 135,605.08, 203,418.96 and 46,822.60
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Solution
The fourth proportional to 135,605.08, 203,418.96 and 46,822.60 is: 70,237.82
Step by Step Solution
- Step 1: Write the proportion equation
135,605.08 : 203,418.96 = 46,822.60 : x - Step 2: Convert to fraction form
135,605.08/203,418.96 = 46,822.60/x - Step 3: Cross multiply
135,605.08x = 203,418.96 × 46,822.60 - Step 4: Simplify right side
135,605.08x = 9,524,604,596.50 - Step 5: Solve for x
x = 9,524,604,596.50/135,605.08 - Step 6: Final answer
x = 70,237.82
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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.