Finding the Fourth Proportional to 122,616.48, 183,939.12 and 43,741.92
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Solution
The fourth proportional to 122,616.48, 183,939.12 and 43,741.92 is: 65,618.02
Step by Step Solution
- Step 1: Write the proportion equation
122,616.48 : 183,939.12 = 43,741.92 : x - Step 2: Convert to fraction form
122,616.48/183,939.12 = 43,741.92/x - Step 3: Cross multiply
122,616.48x = 183,939.12 × 43,741.92 - Step 4: Simplify right side
122,616.48x = 8,045,850,271.91 - Step 5: Solve for x
x = 8,045,850,271.91/122,616.48 - Step 6: Final answer
x = 65,618.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.