Finding the Fourth Proportional to 129,216.06, 193,647.92 and 62,523.09
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Solution
The fourth proportional to 129,216.06, 193,647.92 and 62,523.09 is: 93,699.39
Step by Step Solution
- Step 1: Write the proportion equation
129,216.06 : 193,647.92 = 62,523.09 : x - Step 2: Convert to fraction form
129,216.06/193,647.92 = 62,523.09/x - Step 3: Cross multiply
129,216.06x = 193,647.92 × 62,523.09 - Step 4: Simplify right side
129,216.06x = 12,107,466,017.86 - Step 5: Solve for x
x = 12,107,466,017.86/129,216.06 - Step 6: Final answer
x = 93,699.39
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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.