Finding the Fourth Proportional to 724,103.77, 1,086,163.62 and 218,669.05
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Solution
The fourth proportional to 724,103.77, 1,086,163.62 and 218,669.05 is: 328,005.98
Step by Step Solution
- Step 1: Write the proportion equation
724,103.77 : 1,086,163.62 = 218,669.05 : x - Step 2: Convert to fraction form
724,103.77/1,086,163.62 = 218,669.05/x - Step 3: Cross multiply
724,103.77x = 1,086,163.62 × 218,669.05 - Step 4: Simplify right side
724,103.77x = 237,510,366,929.96 - Step 5: Solve for x
x = 237,510,366,929.96/724,103.77 - Step 6: Final answer
x = 328,005.98
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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.